Elementary Algebra17th EditionLynn Marecek, MaryAnne Anthony-Smith Publisher: OpenStax - Rice UniversityISBN: 9780998625713
Elementary Algebra
Solutions for Elementary Algebra
Problem 3.23TI:
Translate and solve: What number is 45% of 80?Problem 3.24TI:
Translate and solve: What number is 55% of 60?Problem 3.25TI:
Translate and solve: 7.5% of what number is $1.95?Problem 3.26TI:
Translate and solve: 8.5% of what number is $3.06?Problem 3.27TI:
Translate and solve: 110 is what percent of 88?Problem 3.28TI:
Translate and solve: 126 is what percent of 72?Problem 3.29TI:
Cierra and her sister enjoyed a dinner in a restaurant and the bill was $81.50. If she wants to...Problem 3.30TI:
Kimngoc had lunch at her favorite restaurant. She wants to leave 15% of the total bill as her tip....Problem 3.31TI:
One serving of wheat square cereal has seven grams of fiber, which is 28% of the recommended daily...Problem 3.32TI:
One serving of rice cereal has 190 mg of sodium, which is 8% of the recommended daily amount. What...Problem 3.33TI:
Solve. Round to the nearest whole percent. Veronica is planning to make muffins from a mix. The...Problem 3.34TI:
Solve. Round to the nearest whole percent. The mix Ricardo plans to use to make brownies says that...Problem 3.35TI:
Find the percent increase. (Round to the nearest tenth of a percent.) In 2011, the IRS increased the...Problem 3.36TI:
Find the percent increase. In 1995, the standard bus fare in Chicago was $1.50. In 2008, the...Problem 3.37TI:
Find the percent decrease. (Round to the nearest tenth of a percent.) The population of North Dakota...Problem 3.38TI:
Find the percent decrease. Last year, Sheila’s salary was $42,000. Because of furlough days, this...Problem 3.39TI:
Areli invested a principal of $950 in her bank account with interest rate 3%. How much interest did...Problem 3.40TI:
Susana invested a principal of $36,000 in her bank account with interest rate 6.5%. How much...Problem 3.41TI:
Jim loaned his sister $5,000 to help her buy a house. In 3 years, she paid him the $5,000, plus $900...Problem 3.42TI:
Hang borrowed $7,500 from her parents to pay her tuition. In 5 years, she paid them $1,500 interest...Problem 3.43TI:
Sean’s new car loan statement said he would pay $4,866.25 in interest from an interest rate of 8.5%...Problem 3.44TI:
In 5 years, Gloria’s bank account earned $2,400 interest at 5%. How much had she deposited in the...Problem 3.45TI:
Find (a) the amount of discount and (b) the sale price: Sergio bought a belt that was discounted 40%...Problem 3.46TI:
Find (a) the amount of discount and (b) the sale price: Oscar bought a barbecue that was discounted...Problem 3.47TI:
Find (a) the amount of discount and (b) the discount rate. Lena bought a kitchen table at the sale...Problem 3.48TI:
Find (a) the amount of discount and (b) the discount rate. Nick bought a multi-room air conditioner...Problem 3.49TI:
Find (a) the amount of mark-up and (b) the list price. Jim’s music store bought a guitar at original...Problem 3.50TI:
Find (a) the amount of mark-up and (b) the list price. The Auto Resale Store bought Pablo’s Toyota...Problem 91E:
In the following exercises, solve. 91. Geneva treated her parents to dinner at their favorite...Problem 92E:
In the following exercises, solve. 92. When Hiro and his co-workers had lunch at a restaurant near...Problem 93E:
In the following exercises, solve. 93. Trong has 12% of each paycheck automatically deposited to his...Problem 94E:
In the following exercises, solve. 94. Cherise deposits 8% of each paycheck into her retirement...Problem 95E:
In the following exercises, solve. 95. One serving of oatmeal has eight grams of fiber, which is 33%...Problem 96E:
In the following exercises, solve. 96. One serving of trail mix has 67 grams of carbohydrates, which...Problem 97E:
In the following exercises, solve. 97. A bacon cheeseburger at a popular fast food restaurant...Problem 98E:
In the following exercises, solve. 98. A grilled chicken salad at a popular fast food restaurant...Problem 99E:
In the following exercises, solve. 99. After 3 months on a diet, Lisa had lost 12% of her original...Problem 100E:
In the following exercises, solve. 100. Tricia got a 6% raise on her weekly salary. The raise was...Problem 101E:
In the following exercises, solve. 101. Yuki bought a dress on sale for $72. The sale price was 60%...Problem 102E:
In the following exercises, solve. 102. Kim bought a pair of shoes on sale for $40.50. The sale...Problem 103E:
In the following exercises, solve. 103. Tim left a $9 tip for a $50 restaurant bill. What percent...Problem 104E:
In the following exercises, solve. 104. Rashid left a $15 tip for a $75 restaurant bill. What...Problem 105E:
In the following exercises, solve. 105. The nutrition fact sheet at a fast food restaurant says the...Problem 106E:
In the following exercises, solve. 106. The nutrition fact sheet at a fast food restaurant says a...Problem 107E:
In the following exercises, solve. 107. Emma gets paid $3,000 per month. She pays $750 a month for...Problem 108E:
In the following exercises, solve. 108. Dimple gets paid $3,200 per month. She pays $960 a month for...Problem 109E:
In the following exercises, solve. 109. Tamanika got a raise in her hourly pay, from $15.50 to...Problem 110E:
In the following exercises, solve. 110. Ayodele got a raise in her hourly pay, from $24.50 to...Problem 111E:
In the following exercises, solve. 111. Annual student fees at the University of California rose...Problem 112E:
In the following exercises, solve. 112. The price of a share of one stock rose from $12.50 to $50....Problem 113E:
In the following exercises, solve. 113. According to Time magazine annual global seafood consumption...Problem 114E:
In the following exercises, solve. 114. In one month, the median home price in the Northeast rose...Problem 115E:
In the following exercises, solve. 115. A grocery store reduced the price of a loaf of bread from...Problem 116E:
In the following exercises, solve. 116. The price of a share of one stock fell from $8.75 to $8.54....Problem 117E:
In the following exercises, solve. 117. Hernando’s salary was $49,500 last year. This year his...Problem 118E:
In the following exercises, solve. 118. In 10 years, the population of Detroit fell from 950,000 to...Problem 119E:
In the following exercises, solve. 119. In 1 month, the median home price in the West fell from...Problem 120E:
In the following exercises, solve. 120. Sales of video games and consoles fell from $1,150 million...Problem 121E:
In the following exercises, solve. 121. Casey deposited $1,450 in a bank account with interest rate...Problem 122E:
In the following exercises, solve. 122. Terrence deposited $5,720 in a bank account with interest...Problem 123E:
In the following exercises, solve. 123. Robin deposited $31,000 in a bank account with interest rate...Problem 124E:
In the following exercises, solve. 124. Carleen deposited $16,400 in a bank account with interest...Problem 125E:
In the following exercises, solve. 125. Hilaria borrowed $8,000 from her grandfather to pay for...Problem 126E:
In the following exercises, solve. 126. Kenneth loaned his niece $1,200 to buy a computer. Two years...Problem 127E:
In the following exercises, solve. 127. Lebron loaned his daughter $20,000 to help her buy a...Problem 128E:
In the following exercises, solve. 128. Pablo borrowed $50,000 to start a business. Three years...Problem 129E:
In the following exercises, solve. 129. In 10 years, a bank account that paid 5.25% earned $18,375...Problem 130E:
In the following exercises, solve. 130. In 25 years, a bond that paid 4.75% earned $2,375 interest....Problem 131E:
In the following exercises, solve. 131. Joshua’s computer loan statement said he would pay $1,244.34...Problem 132E:
In the following exercises, solve. 132. Margaret’s car loan statement said she would pay $7,683.20...Problem 133E:
In the following exercises, find the sale price. 133. Perla bought a cell phone that was on sale for...Problem 134E:
In the following exercises, find the sale price. 134. Sophie saw a dress she liked on sale for $15...Problem 135E:
In the following exercises, find the sale price. 135. Rick wants to buy a tool set with original...Problem 136E:
In the following exercises, find the sale price. 136. Angelo’s store is having a sale on...Problem 137E:
In the following exercises, find (a) the amount of discount and (b) the sale price. 137. Janelle...Problem 138E:
In the following exercises, find (a) the amount of discount and (b) the sale price. 138. Errol...Problem 139E:
In the following exercises, find (a) the amount of discount and (b) the sale price. 139. Kathy wants...Problem 140E:
In the following exercises, find (a) the amount of discount and (b) the sale price. 140. Colleen...Problem 141E:
In the following exercises, find (a) the amount of discount and (b) the sale price. 141. Erys bought...Problem 142E:
In the following exercises, find (a) the amount of discount and (b) the sale price. 142. Jay bought...Problem 143E:
In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the...Problem 144E:
In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the...Problem 145E:
In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the...Problem 146E:
In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the...Problem 147E:
In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the...Problem 148E:
In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the...Problem 149E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 149. Daria...Problem 150E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 150. Regina...Problem 151E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 151. Tom paid...Problem 152E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 152. Flora...Problem 153E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 153. Alan...Problem 154E:
In the following exercises, find (a) the amount of the mark-up and (b) the list price. 154. Michael...Problem 155E:
Leaving a Tip At the campus coffee cart, a medium coffee costs $1.65.MaryAnne brings $2.00 with her...Problem 156E:
Splitting a Bill Four friends went out to lunch and the bill came to $53.75. They decided to add...Problem 157E:
Without solving the problem “44 is 80% of what number” think about what the solution might be....Problem 158E:
Without solving the problem “What is 20% of 300?” think about what the solution might be. Should it...Browse All Chapters of This Textbook
Chapter 1 - FoundationsChapter 1.1 - Introduction To Whole NumbersChapter 1.2 - Use The Language Of AlgebraChapter 1.3 - Add And Subtract IntegersChapter 1.4 - Multiply And Divide IntegersChapter 1.5 - Visualize FractionsChapter 1.6 - Add And Subtract FractionsChapter 1.7 - DecimalsChapter 1.8 - The Real NumbersChapter 1.9 - Properties Of Real Numbers
Chapter 1.10 - Systems Of MeasurementChapter 2 - Solving Linear Equations And InequalitiesChapter 2.1 - Solve Equations Using The Subtraction And Addition Properties Of EqualityChapter 2.2 - Solve Equations Using The Division And Multiplication Properties Of EqualityChapter 2.3 - Solve Equations With Variables And Constants On Both SidesChapter 2.4 - Use A General Strategy To Solve Linear EquationsChapter 2.5 - Solve Equations With Fractions Or DecimalsChapter 2.6 - Solve A Formula For A Specific VariableChapter 2.7 - Solve Linear InequalitiesChapter 3 - Math ModelsChapter 3.1 - Use A Problem-solving StrategyChapter 3.2 - Solve Percent ApplicationsChapter 3.3 - Solve Mixture ApplicationsChapter 3.4 - Solve Geometry Applications: Triangles, Rectangles, And The Pythagorean TheoremChapter 3.5 - Solve Uniform Motion ApplicationsChapter 3.6 - Solve Applications With Linear InequalitiesChapter 4 - GraphsChapter 4.1 - Use The Rectangular Coordinate SystemChapter 4.2 - Graph Linear Equations In Two VariablesChapter 4.3 - Graph With InterceptsChapter 4.4 - Understand Slope Of A LineChapter 4.5 - Use The Slope–intercept Form Of An Equation Of A LineChapter 4.6 - Find The Equation Of A LineChapter 4.7 - Graphs Of Linear InequalitiesChapter 5 - Systems Of Linear EquationsChapter 5.1 - Solve Systems Of Equations By GraphingChapter 5.2 - Solve Systems Of Equations By SubstitutionChapter 5.3 - Solve Systems Of Equations By EliminationChapter 5.4 - Solve Applications With Systems Of EquationsChapter 5.5 - Solve Mixture Applications With Systems Of EquationsChapter 5.6 - Graphing Systems Of Linear InequalitiesChapter 6 - PolynomialsChapter 6.1 - Add And Subtract PolynomialsChapter 6.2 - Use Multiplication Properties Of ExponentsChapter 6.3 - Multiply PolynomialsChapter 6.4 - Special ProductsChapter 6.5 - Divide MonomialsChapter 6.6 - Divide PolynomialsChapter 6.7 - Integer Exponents And Scientific NotationChapter 7 - FactoringChapter 7.1 - Greatest Common Factor And Factor By GroupingChapter 7.2 - Factor Quadratic Trinomials With Leading Coefficient 1Chapter 7.3 - Factor Quadratic Trinomials With Leading Coefficient Other Than 1Chapter 7.4 - Factor Special ProductsChapter 7.5 - General Strategy For Factoring PolynomialsChapter 7.6 - Quadratic EquationsChapter 8 - Rational Expressions And EquationsChapter 8.1 - Simplify Rational ExpressionsChapter 8.2 - Multiply And Divide Rational ExpressionsChapter 8.3 - Add And Subtract Rational Expressions With A Common DenominatorChapter 8.4 - Add And Subtract Rational Expressions With Unlike DenominatorsChapter 8.5 - Simplify Complex Rational ExpressionsChapter 8.6 - Solve Rational EquationsChapter 8.7 - Solve Proportion And Similar Figure ApplicationsChapter 8.8 - Solve Uniform Motion And Work ApplicationsChapter 8.9 - Use Direct And Inverse VariationChapter 9 - Roots And RadicalsChapter 9.1 - Simplify And Use Square RootsChapter 9.2 - Simplify Square RootsChapter 9.3 - Add And Subtract Square RootsChapter 9.4 - Multiply Square RootsChapter 9.5 - Divide Square RootsChapter 9.6 - Solve Equations With Square RootsChapter 9.7 - Higher RootsChapter 9.8 - Rational ExponentsChapter 10 - Quadratic EquationsChapter 10.1 - Solve Quadratic Equations Using The Square Root PropertyChapter 10.2 - Solve Quadratic Equations By Completing The SquareChapter 10.3 - Solve Quadratic Equations Using The Quadratic FormulaChapter 10.4 - Solve Applications Modeled By Quadratic EquationsChapter 10.5 - Graphing Quadratic Equations
Sample Solutions for this Textbook
We offer sample solutions for Elementary Algebra homework problems. See examples below:
More Editions of This Book
Corresponding editions of this textbook are also available below:
ELEMENTARY ALGEBRA VOL 1-2
17th Edition
ISBN: 9781506698205
Elementary Algebra (OER)
17th Edition
ISBN: 9781947172258
Related Algebra Textbooks with Solutions
Still sussing out bartleby
Check out a sample textbook solution.
