Mathematics: A Practical Odyssey
Mathematics: A Practical Odyssey
8th Edition
ISBN: 9781305104174
Author: David B. Johnson, Thomas A. Mowry
Publisher: Cengage Learning
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Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Chapter 5.2, Problem 64E
Why is there no work involved in finding the annual yield of a given simple interest rate?
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The accompanying data shows the fossil fuels​ production, fossil fuels​ consumption, and total energy consumption in quadrillions of BTUs of a certain region for the years 1986 to 2015. Complete parts a and b. Year    Fossil Fuels Production    Fossil Fuels Consumption    Total Energy Consumption1949    28.748    29.002    31.9821950    32.563    31.632    34.6161951    35.792    34.008    36.9741952    34.977    33.800    36.7481953    35.349    34.826    37.6641954    33.764    33.877    36.6391955    37.364    37.410    40.2081956    39.771    38.888    41.7541957    40.133    38.926    41.7871958    37.216    38.717    41.6451959    39.045    40.550    43.4661960    39.869    42.137    45.0861961    40.307    42.758    45.7381962    41.732    44.681    47.8261963    44.037    46.509    49.6441964    45.789    48.543    51.8151965    47.235    50.577    54.0151966    50.035    53.514    57.0141967    52.597    55.127    58.9051968    54.306    58.502    62.4151969    56.286…
The accompanying data shows the fossil fuels​ production, fossil fuels​ consumption, and total energy consumption in quadrillions of BTUs of a certain region for the years 1986 to 2015. Complete parts a and b. Develop line charts for each variable and identify the characteristics of the time series​ (that is,​ random, stationary,​ trend, seasonal, or​ cyclical).   What is the line chart for the variable Fossil Fuels​ Production?
The accompanying data shows the fossil fuels​ production, fossil fuels​ consumption, and total energy consumption in quadrillions of BTUs of a certain region for the years 1986 to 2015. Complete parts a and b. Year    Fossil Fuels Production    Fossil Fuels Consumption    Total Energy Consumption1949    28.748    29.002    31.9821950    32.563    31.632    34.6161951    35.792    34.008    36.9741952    34.977    33.800    36.7481953    35.349    34.826    37.6641954    33.764    33.877    36.6391955    37.364    37.410    40.2081956    39.771    38.888    41.7541957    40.133    38.926    41.7871958    37.216    38.717    41.6451959    39.045    40.550    43.4661960    39.869    42.137    45.0861961    40.307    42.758    45.7381962    41.732    44.681    47.8261963    44.037    46.509    49.6441964    45.789    48.543    51.8151965    47.235    50.577    54.0151966    50.035    53.514    57.0141967    52.597    55.127    58.9051968    54.306    58.502    62.4151969    56.286…

Chapter 5 Solutions

Mathematics: A Practical Odyssey

Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 1-4, find the number of days. a.July1...Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...
Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 1520, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercise 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 2126 find the present value of the...Ch. 5.1 - In Exercises 2126 find the present value of the...Ch. 5.1 - If you borrow 1,000 at 8.5 interest and the loan...Ch. 5.1 - If you borrow 1,700 at 5.25 interest and the loan...Ch. 5.1 - The Square Wheel Bicycle store has found that they...Ch. 5.1 - Ernie Bilko has a business idea. He wants to rent...Ch. 5.1 - Alice Cohen buys a two-year-old Honda from...Ch. 5.1 - Seven Lundgren buys a three-year-old Chevrolet...Ch. 5.1 - Ray and Teresa Martinez buy a used car from...Ch. 5.1 - Dick Davis buys a five-year-old used Toyota from...Ch. 5.1 - In exercise 3536, use the following information....Ch. 5.1 - In exercise 3536, use the following information....Ch. 5.1 - The activity on Stuart Ratners Visa account for...Ch. 5.1 - The activity on Marny Zells MasterCard account for...Ch. 5.1 - The activity on Denise Hellings Sears account for...Ch. 5.1 - The activity on Charlie Wilsons Visa account for...Ch. 5.1 - Prob. 41ECh. 5.1 - George and Peggy Fulwider bought a house from...Ch. 5.1 - Prob. 43ECh. 5.1 - Sam Needham bought a house from Sheri Silva for...Ch. 5.1 - You have maxed out your credit card and owe 5,000....Ch. 5.1 - You have maxed out your credit card and owe 5,500....Ch. 5.1 - You have maxed out your credit card and owe 5,000....Ch. 5.1 - 46. You have maxed out your credit card and owe...Ch. 5.1 - Could Exercise 512 all be done with the Simple...Ch. 5.1 - Prob. 50ECh. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In the Exercises21 and 22, find and interpret the...Ch. 5.2 - In the Exercises 21 and 22, find and interpret the...Ch. 5.2 - In the Exercise 2326, a find and b interpret the...Ch. 5.2 - In the Exercise 24, find and interpret the present...Ch. 5.2 - In Exercises 23-26, a find and b interpret the...Ch. 5.2 - In Exercises 23-26, a find and b interpret the...Ch. 5.2 - 10,000 is deposited in an account in which it...Ch. 5.2 - 20,000 is deposited in an account in which it...Ch. 5.2 - 15,000 is deposited in an account in which it...Ch. 5.2 - 30,000 is deposited in an account in which it...Ch. 5.2 - Donald Trumptobe decided to build his own dynasty....Ch. 5.2 - How much would Donald Trumptobe in Exercise 31...Ch. 5.2 - Donald Trumptobe in Exercise 31 predicts that in...Ch. 5.2 - Donald Trumptobe in Exercise 31 predicts that in...Ch. 5.2 - When Jason Levy was born, his grandparents...Ch. 5.2 - When Alana Cooper was born, her grandparents...Ch. 5.2 - For Exercises 3740, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - Recently, Bank of the West offered six-month CDs...Ch. 5.2 - Recently, Bank of the West offered six-month CDs...Ch. 5.2 - Prob. 49ECh. 5.2 - Prob. 50ECh. 5.2 - Prob. 51ECh. 5.2 - Prob. 52ECh. 5.2 - Prob. 53ECh. 5.2 - Prob. 54ECh. 5.2 - Prob. 55ECh. 5.2 - Prob. 56ECh. 5.2 - Prob. 57ECh. 5.2 - Prob. 58ECh. 5.2 - Prob. 59ECh. 5.2 - Exercises 5762 refer to Benjamin Franklins gift,...Ch. 5.2 - Prob. 61ECh. 5.2 - Prob. 62ECh. 5.2 - Explain how compound interest is based on simple...Ch. 5.2 - Why is there no work involved in finding the...Ch. 5.2 - Why is there no work involved in finding the...Ch. 5.2 - Which should be higher: the annual yield of a...Ch. 5.2 - Why should the annual yield of a given compound...Ch. 5.2 - Explain the difference between simple interest and...Ch. 5.2 - If money earns compound interest, why must the...Ch. 5.2 - Prob. 70ECh. 5.2 - Prob. 71ECh. 5.2 - Prob. 72ECh. 5.2 - Prob. 73ECh. 5.2 - Prob. 75ECh. 5.2 - If 1,000 is deposited into an account that earns 5...Ch. 5.2 - Do the following.Give the number of periods and...Ch. 5.2 - Do the following.Give the number of periods and...Ch. 5.2 - If you invest 10,000 at 8.125 interest compounded...Ch. 5.2 - If you invest 15,000 at 938 interest compounded...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - On September 8, Bert Sarkis started an annuity. He...Ch. 5.3 - On August 19, Rachael Westlake started an annuity....Ch. 5.3 - On September 23, Ginny Homer started an annuity....Ch. 5.3 - On September 19, Lynn Alright started an annuity....Ch. 5.3 - Pat Gilbert recently set up a TDA to save for her...Ch. 5.3 - Dick recently set up a TDA to save for his...Ch. 5.3 - Sam Whitney recently set up a TDA to save for his...Ch. 5.3 - Art Dull recently set up a TDA to save for his...Ch. 5.3 - Prob. 13ECh. 5.3 - In exercises 13-18, a find and b interpret the...Ch. 5.3 - In exercises 13-18, a find and b interpret the...Ch. 5.3 - Prob. 16ECh. 5.3 - In exercises 13-18, a find and b interpret the...Ch. 5.3 - In exercises 13-18, a find and b interpret the...Ch. 5.3 - In Exercises 19-24, find the monthly payment that...Ch. 5.3 - In Exercises 19-24, find the monthly payment that...Ch. 5.3 - In Exercise 19-24, find the monthly payment that...Ch. 5.3 - In Exercise 19-24, find the monthly payment that...Ch. 5.3 - In Exercise 19-24, find the monthly payment that...Ch. 5.3 - In Exercise 19-24, find the monthly payment that...Ch. 5.3 - Mr. and Mrs. Gonzales set up a TDA to save for...Ch. 5.3 - Mr. and Mrs. Jackson set up a TDA to save for...Ch. 5.3 - Jeanne and Harold Kimura want to set up a TDA that...Ch. 5.3 - Susan and Bill Stamp want to set up a TDA that...Ch. 5.3 - In June 2004, Susan set up a TDA to save for...Ch. 5.3 - In June 2007, Manuel set up a TDA to save for...Ch. 5.3 - In Exercises 3134, use the following information....Ch. 5.3 - In Exercises 3134, use the following information....Ch. 5.3 - In Exercises 31-34, use the following information....Ch. 5.3 - In Exercises 3134, use the following information....Ch. 5.3 - Toni Torres wants to save 1,200 in the next two...Ch. 5.3 - Fred and Melissa Furths daughter Sally will be a...Ch. 5.3 - Anne Geyer buys some land in Utah. She agrees to...Ch. 5.3 - Chrissy Fields buys some land in Oregon. She...Ch. 5.3 - Develop a new formula for the present value of an...Ch. 5.3 - Use the formula developed in Exercise 39 to find...Ch. 5.3 - Use the formula developed in Exercise 39 to find...Ch. 5.3 - Use the formula developed in Exercise 39 to find...Ch. 5.3 - Use the formula developed in Exercise 39 to find...Ch. 5.3 - Prob. 44ECh. 5.3 - Prob. 45ECh. 5.3 - Prob. 46ECh. 5.3 - Prob. 47ECh. 5.3 - Prob. 48ECh. 5.3 - Prob. 49ECh. 5.3 - For those who have completed Section 1.1: Is the...Ch. 5.3 - Answer the following questions using complete...Ch. 5.3 - Answer the following questions using complete...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - Wade Ellis buys a new car for 16,113.82. He puts...Ch. 5.4 - Guy dePrimo buys a new car for 9,837.91. He puts...Ch. 5.4 - Chris Burditt bought a house for 212,500. He put...Ch. 5.4 - Shirley Trembley bought a house for 187,600. She...Ch. 5.4 - Dennis Lamenti wants to buy a new car that costs...Ch. 5.4 - Barry Wood wants to buy a used car that costs...Ch. 5.4 - Investigate the effect of the term on simple...Ch. 5.4 - Investigate the effect of the interest rate on...Ch. 5.4 - Investigate the effect of the interest rate on...Ch. 5.4 - Some lenders offer fifteen-year home loans....Ch. 5.4 - Some lenders offer loans with biweekly payments...Ch. 5.4 - Some lenders are now offering loans with biweekly...Ch. 5.4 - Verify a the monthly payments and b the interest...Ch. 5.4 - The home loan in Exercise 19 presented two...Ch. 5.4 - Pool-N-Patio World needs to borrow 75,000 to...Ch. 5.4 - Slopes R Us needs to borrow 120,000 to increase...Ch. 5.4 - The owner of Blue Bottle Coffee is opening a...Ch. 5.4 - The Green Growery Nursery needs to borrow 48,000...Ch. 5.4 - For Exercises 2528, note the following...Ch. 5.4 - For Exercises 25-28, note the following...Ch. 5.4 - For Exercises 25-28, note the following...Ch. 5.4 - For Exercises 25-28, note the following...Ch. 5.4 - Wade Ellis buys a car for 16,113.82. He puts 10...Ch. 5.4 - Guy de Primo buys a car for 9837.91. He puts 10...Ch. 5.4 - Gary Kersting buys a house for 212,500. He puts 20...Ch. 5.4 - Shirley Trembley buys a house for 187,600. She...Ch. 5.4 - Harry and Natalie Wolf have a three-year-old loan...Ch. 5.4 - Russ and Roz Rosow have a ten-year-old loan with...Ch. 5.4 - Michael and Lynn Sullivan have a ten-year-old loan...Ch. 5.4 - Charlie and Ellen Wilson have a...Ch. 5.4 - Ray and Helen Lee bought a house for 189,500. They...Ch. 5.4 - Jack and Laurie Worthington bought a house for...Ch. 5.4 - a. If the Lees in Exercise 37 save for their...Ch. 5.4 - a. If the Worthingtons in Exercise 38 save for...Ch. 5.4 - In July 2005, Tom and Betty bought a house for...Ch. 5.4 - In August 2004, Bonnie Martin bought a house for...Ch. 5.4 - Al-Noor Koorji bought a house for 189,000. He put...Ch. 5.4 - The Franklins bought a house for 265,000. They put...Ch. 5.4 - To get your bachelors degree, you incurred 50,000...Ch. 5.4 - To get your bachelors degree, you incurred 50,000...Ch. 5.4 - Prob. 47ECh. 5.4 - Prob. 48ECh. 5.4 - Prob. 49ECh. 5.4 - Prob. 50ECh. 5.4 - Prob. 51ECh. 5.4 - Prob. 52ECh. 5.4 - Prob. 53ECh. 5.4 - Prob. 54ECh. 5.4 - Prob. 55ECh. 5.4 - This is an exercise in buying a car. It involves...Ch. 5.4 - Trustworthy Savings offers a thirty-year...Ch. 5.4 - American Dream Savings Bank offers a thirty-year...Ch. 5.4 - Bank Two offers a thirty-year adjustable-rate...Ch. 5.4 - Prob. 60ECh. 5.4 - Prob. 61ECh. 5.4 - Prob. 62ECh. 5.4 - Prob. 63ECh. 5.4 - Prob. 64ECh. 5.4 - Prob. 65ECh. 5.4 - Prob. 66ECh. 5.4 - Prob. 67ECh. 5.4 - Prob. 68ECh. 5.4 - Prob. 69ECh. 5.4 - Prob. 70ECh. 5.4 - Prob. 71ECh. 5.4 - Prob. 72ECh. 5.5 - Prob. 1ECh. 5.5 - Prob. 2ECh. 5.5 - Prob. 3ECh. 5.5 - Prob. 4ECh. 5.5 - The Roths bought a house for 432,500. They paid...Ch. 5.5 - The Hoblets bought a house for 799,900. They paid...Ch. 5.5 - The Trivedis bought a house for 287,300. They paid...Ch. 5.5 - The Roschunis bought a house for 763,500. They...Ch. 5.5 - Prob. 9ECh. 5.5 - Prob. 10ECh. 5.5 - Prob. 11ECh. 5.5 - Prob. 12ECh. 5.5 - Prob. 13ECh. 5.5 - Prob. 14ECh. 5.5 - Prob. 15ECh. 5.5 - Prob. 16ECh. 5.5 - Prob. 17ECh. 5.5 - Prob. 18ECh. 5.5 - Prob. 19ECh. 5.6 - Cheryl Wilcox is planning for her retirement, so...Ch. 5.6 - Prob. 2ECh. 5.6 - Dean Gooch is planning for his retirement, so he...Ch. 5.6 - Holly Krech is planning for her retirement, so she...Ch. 5.6 - a. How large a monthly payment must Cheryl Wilcox...Ch. 5.6 - Prob. 6ECh. 5.6 - a. How large a monthly payment must Dean Gooch...Ch. 5.6 - a. How large a monthly payment must Holly Krech...Ch. 5.6 - Lily Chang is planning for her retirement, so she...Ch. 5.6 - Wally Brown is planning for his retirement, so he...Ch. 5.6 - Prob. 11ECh. 5.6 - Shelly Franks is planning for her retirement, so...Ch. 5.6 - In Exercises 13-16, use the Annual Payout Annuity...Ch. 5.6 - Prob. 14ECh. 5.6 - Prob. 15ECh. 5.6 - Prob. 16ECh. 5.6 - Bob Pirtle won 1 million in a state lottery. He...Ch. 5.6 - John-Paul Ramin won 2.3million in a state lottery....Ch. 5.6 - Prob. 19ECh. 5.6 - Prob. 20ECh. 5.CR - Find the interest earned by a deposit of 8,140 at...Ch. 5.CR - Find the interest earned by a deposit of 10,620 at...Ch. 5.CR - Prob. 3CRCh. 5.CR - Prob. 4CRCh. 5.CR - Prob. 5CRCh. 5.CR - Prob. 6CRCh. 5.CR - Prob. 7CRCh. 5.CR - Find the present value of a future value of 10,250...Ch. 5.CR - Prob. 9CRCh. 5.CR - Find the future value of a deposit of 7,250 at 514...Ch. 5.CR - Prob. 11CRCh. 5.CR - Prob. 12CRCh. 5.CR - Prob. 13CRCh. 5.CR - Prob. 14CRCh. 5.CR - Prob. 15CRCh. 5.CR - Prob. 16CRCh. 5.CR - Prob. 17CRCh. 5.CR - Prob. 18CRCh. 5.CR - Prob. 19CRCh. 5.CR - Prob. 20CRCh. 5.CR - Prob. 21CRCh. 5.CR - Prob. 22CRCh. 5.CR - The Square Wheel Bicycle store has found that they...Ch. 5.CR - Prob. 24CRCh. 5.CR - The activity on Sue Washburns MasterCard account...Ch. 5.CR - Prob. 26CRCh. 5.CR - Prob. 27CRCh. 5.CR - Prob. 28CRCh. 5.CR - You are 32, and you have just set up an ordinary...Ch. 5.CR - Find and interpret the present value of the...Ch. 5.CR - Prob. 31CRCh. 5.CR - Prob. 32CRCh. 5.CR - Prob. 33CRCh. 5.CR - Prob. 34CRCh. 5.CR - Prob. 35CRCh. 5.CR - Prob. 36CRCh. 5.CR - Prob. 37CRCh. 5.CR - Ben Suico buys a car for 13,487.31. He puts 10...Ch. 5.CR - Prob. 39CRCh. 5.CR - Prob. 40CRCh. 5.CR - Prob. 41CRCh. 5.CR - Fred Rodgers is planning for his retirement, so he...Ch. 5.CR - Prob. 43CRCh. 5.CR - Prob. 44CRCh. 5.CR - Prob. 45CRCh. 5.CR - Prob. 46CRCh. 5.CR - Prob. 47CRCh. 5.CR - Prob. 48CRCh. 5.CR - Prob. 49CR
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