Intermediate Algebra19th EditionLynn Marecek Publisher: OpenStax CollegeISBN: 9780998625720
Intermediate Algebra
Solutions for Intermediate Algebra
Problem 2.27TI:
Guillermo bought textbooks and notebooks at the bookstore. The number of textbooks was three more...Problem 2.28TI:
Gerry worked Sudoku puzzles and crossword puzzles this week. The number of Sudoku puzzles he...Problem 2.31TI:
The sum of two numbers is negative twenty-three. One number is seven less than the other. Find the...Problem 2.32TI:
The sum of two numbers is negative eighteen. One number is forty more than the other. Find the...Problem 2.33TI:
Find three consecutive integers whose sum is 96 .Problem 2.34TI:
Find three consecutive integers whose sum is 36 .Problem 2.35TI:
Find three consecutive even integers whose sum is 102.Problem 2.36TI:
Find three consecutive even integers whose sum is 24 .Problem 2.37TI:
According to the National Automobile Dealers Association, the average cost of a car in 2014 was...Problem 2.38TI:
US Census data shows that the median price of new home in the U.S. in November 2014 was $280,900....Problem 2.39TI:
Translate and solve: (a) What number is 45% of 80? (b) 7.5% of what amount is $1.95? (c) 110 is what...Problem 2.40TI:
Translate and solve: (a) What number is 55% of 60? (b) 8.5% of what amount is $3.06? (a) 126 is what...Problem 2.41TI:
One serving of wheat square cereal has 7 grams of fiber, which is 28% of the recommended daily...Problem 2.42TI:
One serving of rice cereal has 190 mg of sodium, which is 8% of the recommended daily amount. What...Problem 2.43TI:
Mitzi received some gourmet brownies as a gift. The wrapper said each 28% brownie was 480 calories,...Problem 2.44TI:
The mix Ricardo plans to use to make brownies says that each brownie will be 190 calories, and 76...Problem 2.45TI:
Find the percent change. (Round to the nearest tenth of a percent.) In 2011, the IRS increased the...Problem 2.46TI:
Find the percent change. (Round to the nearest tenth of a percent.) In 1995, the standard bus fare...Problem 2.47TI:
Find (a) the amount of mark-up and (b) the list price: Jim’s music store bought a guitar at original...Problem 2.48TI:
Find (a) the amount of mark-up and (b) the list price: The Auto Resale Store bought Pablo’s Toyota...Problem 2.49TI:
Nathaly deposited $12,500 in her bank account where it will earn 4% simple interest. How much...Problem 2.50TI:
Susana invested a principal of $36,000 in her bank account that earned simple interest at an...Problem 2.51TI:
Jim lent his sister $5,000 to help her buy a house. In three years, she paid him the $5,000, plus...Problem 2.52TI:
Loren lent his brother $3,000 to help him buy a car. In four years, his brother paid him back the...Problem 2.53TI:
Eduardo noticed that his new car loan papers stated that with a 7.5% simple interest rate, he would...Problem 2.54TI:
In five years, Gloria’s bank account earned $2,400 interest at 5% simple interest. How much had she...Problem 81E:
List five positive thoughts you can say to yourself that will help you approach word problems with a...Problem 82E:
List five negative thoughts that you have said to yourself in the past that will hinder your...Problem 83E:
In the following exercises, solve using the problem solving strategy for word problems. Remember to...Problem 84E:
In the following exercises, solve using the problem solving strategy for word problems. Remember to...Problem 85E:
In the following exercises, solve using the problem solving strategy for word problems. Remember to...Problem 86E:
In the following exercises, solve using the problem solving strategy for word problems. Remember to...Problem 87E:
In the following exercises, solve each number word problem. 87. The difference of a number and 12 is...Problem 88E:
In the following exercises, solve each number word problem. 88. The difference of a number and eight...Problem 89E:
In the following exercises, solve each number word problem. 89. The sum of three times a number and...Problem 90E:
In the following exercises, solve each number word problem. 90. The sum of twice a number and six is...Problem 91E:
In the following exercises, solve each number word problem. 91. The difference of twice a number and...Problem 92E:
In the following exercises, solve each number word problem. 92. The difference of four times a...Problem 93E:
In the following exercises, solve each number word problem. 93. Three times the sum of a number and...Problem 94E:
In the following exercises, solve each number word problem. 94. Six times the sum of a number and...Problem 95E:
In the following exercises, solve each number word problem. 95. One number is six more than the...Problem 96E:
In the following exercises, solve each number word problem. 96. One number is five more than the...Problem 97E:
In the following exercises, solve each number word problem. 97. The sum of two numbers is 20. One...Problem 98E:
In the following exercises, solve each number word problem. 98. The sum of two numbers is 27. One...Problem 99E:
In the following exercises, solve each number word problem. 99. One number is 14 less than another....Problem 100E:
In the following exercises, solve each number word problem. 100. One number is 11 less than another....Problem 101E:
In the following exercises, solve each number word problem. 101. The sum of two numbers is 14. One...Problem 102E:
In the following exercises, solve each number word problem. 102. The sum of two numbers is zero. One...Problem 103E:
In the following exercises, solve each number word problem. 103. The sum of two consecutive integers...Problem 104E:
In the following exercises, solve each number word problem. 104. The sum of two consecutive integers...Problem 105E:
In the following exercises, solve each number word problem. 105. The sum of three consecutive...Problem 106E:
In the following exercises, solve each number word problem. 106. The sum of three consecutive...Problem 107E:
In the following exercises, solve each number word problem. 107. Find three consecutive integers...Problem 108E:
In the following exercises, solve each number word problem. 108. Find three consecutive integers...Problem 109E:
In the following exercises, solve each number word problem. 109. Find three consecutive even...Problem 110E:
In the following exercises, solve each number word problem. 110. Find three consecutive even...Problem 111E:
In the following exercises, solve each number word problem. 111. Find three consecutive odd integers...Problem 112E:
In the following exercises, solve each number word problem. 112. Find three consecutive odd integers...Problem 113E:
In the following exercises, solve each number word problem. 113. Philip pays $1,620 in rent every...Problem 114E:
In the following exercises, solve each number word problem. 114. Marc just bought an SUV for...Problem 115E:
In the following exercises, solve each number word problem. 115. Laurie has $46,000 invested in...Problem 116E:
In the following exercises, solve each number word problem. 116. Erica earned a total of $50,450...Problem 117E:
In the following exercises, translate and solve. 117. (a) What number is 45% of 120? (b) 81 is 75%...Problem 118E:
In the following exercises, translate and solve. 118. (a) What number is 65% of 100? (b) 93 is 75%...Problem 119E:
In the following exercises, translate and solve. 119. (a) 250% of 65 is what number? (b) 8.2% of...Problem 120E:
In the following exercises, translate and solve. 120. (a) 150% of 90 is what number? (b) 6.4% of...Problem 121E:
In the following exercises, solve. 121. Geneva treated her parents to dinner at their favorite...Problem 122E:
In the following exercises, solve. 122. When Hiro and his co-workers had lunch at a restaurant near...Problem 123E:
In the following exercises, solve. 123. One serving of oatmeal has 8 grams of fiber, which is 33% of...Problem 124E:
In the following exercises, solve. 124. One serving of trail mix has 67 grams of carbohydrates,...Problem 125E:
In the following exercises, solve. 125. A bacon cheeseburger at a popular fast food restaurant...Problem 126E:
In the following exercises, solve. 126. A grilled chicken salad at a popular fast food restaurant...Problem 127E:
In the following exercises, solve. 127. The nutrition fact sheet at a fast food restaurant says the...Problem 128E:
In the following exercises, solve. 128. The nutrition fact sheet at a fast food restaurant says a...Problem 129E:
In the following exercises, solve. 129. Emma gets paid $3,000 per month. She pays $750 a month for...Problem 130E:
In the following exercises, solve. 130. Dimple gets paid $3,200 per month. She pays $960 a month for...Problem 131E:
In the following exercises, solve. 131. Tamanika received a raise in her hourly pay, from $15.50 to...Problem 132E:
In the following exercises, solve. 132. Ayodele received a raise in her hourly pay, from $24.50 to...Problem 133E:
In the following exercises, solve. 133. Annual student fees at the University of California rose...Problem 134E:
In the following exercises, solve. 134. The price of a share of one stock rose from $12.50 to $50....Problem 135E:
In the following exercises, solve. 135. A grocery store reduced the price of a loaf of bread from...Problem 136E:
In the following exercises, solve. 136. The price of a share of one stock fell from $8.75 to $8.54....Problem 137E:
In the following exercises, solve. 137. Hernando’s salary was $49,500 last year. This year his...Problem 138E:
In the following exercises, solve. 138. In ten years, the population of Detroit fell from 950,000 to...Problem 139E:
In the following exercises, find (a) the amount of discount and (b) the sale price. 139. Janelle...Problem 140E:
In the following exercises, find (a) the amount of discount and (b) the sale price. 140. Errol...Problem 141E:
In the following exercises, find (a) the amount of discount and (b) the discount rate (Round to the...Problem 142E:
In the following exercises, find (a) the amount of discount and (b) the discount rate (Round to the...Problem 143E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 143. Daria...Problem 144E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 144. Regina...Problem 145E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 145. Tom paid...Problem 146E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 146. Flora...Problem 147E:
In the following exercises, solve. 147. Casey deposited $1,450 in a bank account that earned simple...Problem 148E:
In the following exercises, solve. 148. Terrence deposited $5,720 in a bank account that earned...Problem 149E:
In the following exercises, solve. 149. Robin deposited $31,000 in a bank account that earned simple...Problem 150E:
In the following exercises, solve. 150. Carleen deposited $16,400 in a bank account that earned...Problem 151E:
In the following exercises, solve. 151. Hilaria borrowed $8,000 from her grandfather to pay for...Problem 152E:
In the following exercises, solve. 152. Kenneth lent his niece $1,200 to buy a computer. Two years...Problem 153E:
In the following exercises, solve. 153. Lebron lent his daughter $20,000 to help her buy a...Problem 154E:
In the following exercises, solve. 154. Pablo borrowed $50,000 to start a business. Three years...Problem 155E:
In the following exercises, solve. 155. In 10 years, a bank account that paid 5.25% simple interest...Problem 156E:
In the following exercises, solve. 156. In 25 years, a bond that paid 4.75% simple interest earned...Problem 157E:
In the following exercises, solve. 157. Joshua’s computer loan statement said he would pay $1,244.34...Problem 158E:
In the following exercises, solve. 158. Margaret’s car loan statement said she would pay $7,683.20...Problem 159E:
Tipping At the campus coffee cart, a medium coffee costs $1.65. MaryAnne brings $2.00 with her when...Problem 160E:
Tipping Four friends went out to lunch and the bill came to $53.75 They decided to add enough tip to...Problem 161E:
What has been your past experience solving word problems? Where do you see yourself moving forward?Problem 162E:
Without solving the problem “44 is 80% of what number” think about what the solution might be....Browse All Chapters of This Textbook
Chapter 1 - FoundationsChapter 1.1 - Use The Language Of AlgebraChapter 1.2 - IntegersChapter 1.3 - FractionsChapter 1.4 - DecimalsChapter 1.5 - Properties Of Real NumbersChapter 2 - Solving Linear EquationsChapter 2.1 - Use A General Strategy To Solve Linear EquationsChapter 2.2 - Use A Problem Solving StrategyChapter 2.3 - Solve A Formula For A Specific Variable
Chapter 2.4 - Solve Mixture And Uniform Motion ApplicationsChapter 2.5 - Solve Linear InequalitiesChapter 2.6 - Solve Compound InequalitiesChapter 2.7 - Solve Absolute Value InequalitiesChapter 3 - Graphs And FunctionsChapter 3.1 - Graph Linear Equations In Two VariablesChapter 3.2 - Slope Of A LineChapter 3.3 - Find The Equation Of A LineChapter 3.4 - Graph Linear Inequalities In Two VariablesChapter 3.5 - Relations And FunctionsChapter 3.6 - Graphs Of FunctionsChapter 4 - Systems Of Linear EquationsChapter 4.1 - Solve Systems Of Linear Equations With Two VariablesChapter 4.2 - Solve Applications With Systems Of EquationsChapter 4.3 - Solve Mixture Applications With Systems Of EquationsChapter 4.4 - Solve Systems Of Equations With Three VariablesChapter 4.5 - Solve Systems Of Equations Using MatricesChapter 4.6 - Solve Systems Of Equations Using DeterminantsChapter 4.7 - Graphing Systems Of Linear InequalitiesChapter 5 - Polynomials And Polynomial FunctionsChapter 5.1 - Add And Subtract PolynomialsChapter 5.2 - Properties Of Exponents And Scientific NotationChapter 5.3 - Multiply PolynomialsChapter 5.4 - Dividing PolynomialsChapter 6 - FactoringChapter 6.1 - Greatest Common Factor And Factor By GroupingChapter 6.2 - Factor TrinomialsChapter 6.3 - Factor Special ProductsChapter 6.4 - General Strategy For Factoring PolynomialsChapter 6.5 - Polynomial EquationsChapter 7 - Rational Expressions And FunctionsChapter 7.1 - Multiply And Divide Rational ExpressionsChapter 7.2 - Add And Subtract Rational ExpressionsChapter 7.3 - Simplify Complex Rational ExpressionsChapter 7.4 - Solve Rational EquationsChapter 7.5 - Solve Applications With Rational EquationsChapter 7.6 - Solve Rational InequalitiesChapter 8 - Roots And RadicalsChapter 8.1 - Simplify Expressions With RootsChapter 8.2 - Simplify Radical ExpressionsChapter 8.3 - Simplify Rational ExponentsChapter 8.4 - Add, Subtract, And Multiply Radical ExpressionsChapter 8.5 - Divide Radical ExpressionsChapter 8.6 - Solve Radical EquationsChapter 8.7 - Use Radicals In FunctionsChapter 8.8 - Use The Complex Number SystemChapter 9 - Quadratic Equations And FunctionsChapter 9.1 - Solve Quadratic Equations Using The Square Root PropertyChapter 9.2 - Solve Quadratic Equations By Completing The SquareChapter 9.3 - Solve Quadratic Equations Using The Quadratic FormulaChapter 9.4 - Solve Quadratic Equations In Quadratic FormChapter 9.5 - Solve Applications Of Quadratic EquationsChapter 9.6 - Graph Quadratic Functions Using PropertiesChapter 9.7 - Graph Quadratic Functions Using TransformationsChapter 9.8 - Solve Quadratic InequalitiesChapter 10 - Exponential And Logarithmic FunctionsChapter 10.1 - Finding Composite And Inverse FunctionsChapter 10.2 - Evaluate And Graph Exponential FunctionsChapter 10.3 - Evaluate And Graph Logarithmic FunctionsChapter 10.4 - Use The Properties Of LogarithmsChapter 10.5 - Solve Exponential And Logarithmic EquationsChapter 11 - ConicsChapter 11.1 - Distance And Midpoint Formulas; CirclesChapter 11.2 - ParabolasChapter 11.3 - EllipsesChapter 11.4 - HyperbolasChapter 11.5 - Solve Systems Of Nonlinear EquationsChapter 12 - Sequences, Series And Binomial TheoremChapter 12.1 - SequencesChapter 12.2 - Arithmetic SequencesChapter 12.3 - Geometric Sequences And SeriesChapter 12.4 - Binomial Theorem
Book Details
Intermediate Algebra is designed to meet the scope and sequence requirements of a one-semester intermediate algebra course. The book's organization makes it easy to adapt to a variety of course syllabi. The text expands on the fundamental concepts of algebra while addressing the needs of students with diverse backgrounds and learning styles. The material is presented as a sequence of clear steps, building on concepts presented in prealgebra and elementary algebra courses.
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