College Algebra
7th Edition
ISBN: 9781305115545
Author: James Stewart, Lothar Redlin, Saleem Watson
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 5.1, Problem 72E
Investments A man invests his savings in two accounts, one paying 6% and the other paying 10% simple interest per year. He puts twice as much in the lower −yielding account because it is less risky. His annual interest is $3520 .How much did he invest at each rate?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A person invests 25,000 in two funds paying 3% and 4.5% simple interest. The annual interest equals $915. How much did this person invest in was he stock fund?
Chapter 5 Solutions
College Algebra
Ch. 5.1 - The system of equations {2x+3y=75xy=9} is a system...Ch. 5.1 - A system of equation in two variable can be solved...Ch. 5.1 - Prob. 3ECh. 5.1 - Prob. 4ECh. 5.1 - Elimination method Use the elimination method to...Ch. 5.1 - Elimination method Use the elimination method to...Ch. 5.1 - Elimination method Use the elimination method to...Ch. 5.1 - Elimination method Use the elimination method to...Ch. 5.1 - Elimination method Use the elimination method to...Ch. 5.1 - Elimination method Use the elimination method to...
Ch. 5.1 - Elimination method Use the elimination method to...Ch. 5.1 - Elimination method Use the elimination method to...Ch. 5.1 - Graphical Method Two equations and their graphs...Ch. 5.1 - Graphical Method Two equations and their graphs...Ch. 5.1 - Number of solutions determined Graphically Graph...Ch. 5.1 - Number of solutions determined Graphically Graph...Ch. 5.1 - Number of solutions determined Graphically Graph...Ch. 5.1 - Number of solutions determined Graphically Graph...Ch. 5.1 - Number of solutions determined Graphically Graph...Ch. 5.1 - Prob. 20ECh. 5.1 - Solving a system of equations Solve the system, or...Ch. 5.1 - Prob. 22ECh. 5.1 - Prob. 23ECh. 5.1 - Prob. 24ECh. 5.1 - Prob. 25ECh. 5.1 - Prob. 26ECh. 5.1 - Prob. 27ECh. 5.1 - Prob. 28ECh. 5.1 - Prob. 29ECh. 5.1 - Prob. 30ECh. 5.1 - Prob. 31ECh. 5.1 - Prob. 32ECh. 5.1 - Solving a system of equations Solve the system, or...Ch. 5.1 - Solving a system of equations Solve the system, or...Ch. 5.1 - Prob. 35ECh. 5.1 - Prob. 36ECh. 5.1 - Solving a system of equations Solve the system, or...Ch. 5.1 - Prob. 38ECh. 5.1 - Prob. 39ECh. 5.1 - Prob. 40ECh. 5.1 - Prob. 41ECh. 5.1 - Prob. 42ECh. 5.1 - Prob. 43ECh. 5.1 - Prob. 44ECh. 5.1 - Solving a system of equations Solve the system, or...Ch. 5.1 - Prob. 46ECh. 5.1 - Prob. 47ECh. 5.1 - Prob. 48ECh. 5.1 - Prob. 49ECh. 5.1 - Prob. 50ECh. 5.1 - Prob. 51ECh. 5.1 - Prob. 52ECh. 5.1 - Prob. 53ECh. 5.1 - Prob. 54ECh. 5.1 - Prob. 55ECh. 5.1 - Prob. 56ECh. 5.1 - Prob. 57ECh. 5.1 - Prob. 58ECh. 5.1 - Prob. 59ECh. 5.1 - Prob. 60ECh. 5.1 - Value of coin A man has 14 coins in his pocket,...Ch. 5.1 - Admission Fees The admission fee at an amusement...Ch. 5.1 - Gas Station A gas Station sells regular gas for...Ch. 5.1 - Prob. 64ECh. 5.1 - Airplane Speed A man flies a small airplane from...Ch. 5.1 - Prob. 66ECh. 5.1 - Nutrition A researcher performs an experiment to...Ch. 5.1 - Prob. 68ECh. 5.1 - Prob. 69ECh. 5.1 - Mixture problem A biologist has two brine...Ch. 5.1 - Prob. 71ECh. 5.1 - Investments A man invests his savings in two...Ch. 5.1 - Prob. 73ECh. 5.1 - Aerobic exercise a woman is spitfire by cycling...Ch. 5.1 - Prob. 75ECh. 5.1 - Prob. 76ECh. 5.1 - Prob. 77ECh. 5.2 - These exercises refer to the following system: If...Ch. 5.2 - Prob. 2ECh. 5.2 - Prob. 3ECh. 5.2 - Prob. 4ECh. 5.2 - Prob. 5ECh. 5.2 - Prob. 6ECh. 5.2 - Triangular system Use back Substitution to solve...Ch. 5.2 - Triangular system Use back substitution to solve...Ch. 5.2 - Triangular system Use back substitution to solve...Ch. 5.2 - Triangular Systems Use back-substitution to solve...Ch. 5.2 - Triangular system Use back substitution to solve...Ch. 5.2 - Triangular Systems Use Back substitution to solve...Ch. 5.2 - Eliminating a variable Perform an operation on the...Ch. 5.2 - Eliminating a variable perform and operation on...Ch. 5.2 - Eliminating a variable perform an operation on the...Ch. 5.2 - Eliminating a variable Perform an operation on the...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Solving a system of equation in three variables...Ch. 5.2 - Prob. 34ECh. 5.2 - Prob. 35ECh. 5.2 - Prob. 36ECh. 5.2 - Prob. 37ECh. 5.2 - Prob. 38ECh. 5.2 - Financial Planning Mark has $100,000 to invest....Ch. 5.2 - Prob. 40ECh. 5.2 - Prob. 41ECh. 5.2 - Prob. 42ECh. 5.2 - Prob. 43ECh. 5.2 - Diet Program Nicole started a new diet that...Ch. 5.2 - Prob. 45ECh. 5.2 - Prob. 46ECh. 5.2 - Prob. 47ECh. 5.2 - Prob. 48ECh. 5.2 - Prob. 49ECh. 5.3 - Prob. 1ECh. 5.3 - Prob. 2ECh. 5.3 - Prob. 3ECh. 5.3 - Prob. 4ECh. 5.3 - Prob. 5ECh. 5.3 - Prob. 6ECh. 5.3 - Prob. 7ECh. 5.3 - Prob. 8ECh. 5.3 - Prob. 9ECh. 5.3 - Prob. 10ECh. 5.3 - Prob. 11ECh. 5.3 - Prob. 12ECh. 5.3 - Prob. 13ECh. 5.3 - Prob. 14ECh. 5.3 - Prob. 15ECh. 5.3 - Prob. 16ECh. 5.3 - Prob. 17ECh. 5.3 - Prob. 18ECh. 5.3 - Prob. 19ECh. 5.3 - Prob. 20ECh. 5.3 - Prob. 21ECh. 5.3 - Prob. 22ECh. 5.3 - Prob. 23ECh. 5.3 - Prob. 24ECh. 5.3 - Prob. 25ECh. 5.3 - Prob. 26ECh. 5.3 - Prob. 27ECh. 5.3 - Prob. 28ECh. 5.3 - Prob. 29ECh. 5.3 - Prob. 30ECh. 5.3 - Prob. 31ECh. 5.3 - Prob. 32ECh. 5.3 - Prob. 33ECh. 5.3 - Prob. 34ECh. 5.3 - Prob. 35ECh. 5.3 - Prob. 36ECh. 5.3 - Prob. 37ECh. 5.3 - Prob. 38ECh. 5.3 - Prob. 39ECh. 5.3 - Prob. 40ECh. 5.3 - Prob. 41ECh. 5.3 - Prob. 42ECh. 5.3 - Prob. 43ECh. 5.3 - Prob. 44ECh. 5.3 - Prob. 45ECh. 5.3 - Prob. 46ECh. 5.3 - Prob. 47ECh. 5.3 - Prob. 48ECh. 5.4 - The system of equations {2yx2=0yx=4} Is graph...Ch. 5.4 - The system of equations {2yx2=0yx=4} Is graphed...Ch. 5.4 - Substitutions method Use the substitution method...Ch. 5.4 - Substitution method Use the substitution method to...Ch. 5.4 - Substitution Method Use the substitution method to...Ch. 5.4 - Substitution Method Use the substitution method to...Ch. 5.4 - Substitution Method Use the substitution method to...Ch. 5.4 - Substitution Method Use the substitution method to...Ch. 5.4 - Elimination Method Use the elimination method to...Ch. 5.4 - Elimination Method Use the elimination method to...Ch. 5.4 - Elimination method Use the elimination method to...Ch. 5.4 - Elimination Method Use the elimination method to...Ch. 5.4 - Elimination method Use the elimination method to...Ch. 5.4 - Elimination Method Use the elimination method to...Ch. 5.4 - Finding intersection points graphically two...Ch. 5.4 - Finding intersection points graphically two...Ch. 5.4 - Finding intersection points graphically two...Ch. 5.4 - Finding intersection points graphically two...Ch. 5.4 - Solving Nonliear Systems Find all solutions of the...Ch. 5.4 - Solving Nonliear Systems Find all solutions of the...Ch. 5.4 - Solving Nonliear Systems Find all solutions of the...Ch. 5.4 - Solving Nonliear Systems Find all solutions of the...Ch. 5.4 - Solving Nonliear Systems Find all solutions of the...Ch. 5.4 - Solving Nonliear Systems Find all solutions of the...Ch. 5.4 - Prob. 25ECh. 5.4 - Prob. 26ECh. 5.4 - Solving Nonlinear system Find all solutions of the...Ch. 5.4 - Prob. 28ECh. 5.4 - Prob. 29ECh. 5.4 - Prob. 30ECh. 5.4 - Prob. 31ECh. 5.4 - Prob. 32ECh. 5.4 - Prob. 33ECh. 5.4 - Prob. 34ECh. 5.4 - Prob. 35ECh. 5.4 - Prob. 36ECh. 5.4 - Prob. 37ECh. 5.4 - Prob. 38ECh. 5.4 - Prob. 39ECh. 5.4 - Prob. 40ECh. 5.4 - Prob. 41ECh. 5.4 - Prob. 42ECh. 5.4 - Prob. 43ECh. 5.4 - Prob. 44ECh. 5.4 - Prob. 45ECh. 5.4 - Prob. 46ECh. 5.4 - Prob. 47ECh. 5.4 - Prob. 48ECh. 5.5 - Prob. 1ECh. 5.5 - To graph an inequality, we first graph the...Ch. 5.5 - Prob. 3ECh. 5.5 - Prob. 4ECh. 5.5 - Prob. 5ECh. 5.5 - Prob. 6ECh. 5.5 - Prob. 7ECh. 5.5 - Prob. 8ECh. 5.5 - Prob. 9ECh. 5.5 - Prob. 10ECh. 5.5 - Prob. 11ECh. 5.5 - Graphing Inequalities Graph the inequality x1Ch. 5.5 - Graphing Inequalities Graph the inequality x2Ch. 5.5 - Prob. 14ECh. 5.5 - Prob. 15ECh. 5.5 - Prob. 16ECh. 5.5 - Prob. 17ECh. 5.5 - Prob. 18ECh. 5.5 - Prob. 19ECh. 5.5 - Prob. 20ECh. 5.5 - Prob. 21ECh. 5.5 - Prob. 22ECh. 5.5 - Prob. 23ECh. 5.5 - Graphing inequalities Use a Graphing calculator to...Ch. 5.5 - Graphing inequalities Use a Graphing calculator to...Ch. 5.5 - Prob. 26ECh. 5.5 - Prob. 27ECh. 5.5 - Prob. 28ECh. 5.5 - Prob. 29ECh. 5.5 - Prob. 30ECh. 5.5 - Systems of Inequalities Graph the solutions set of...Ch. 5.5 - Prob. 32ECh. 5.5 - Prob. 33ECh. 5.5 - Prob. 34ECh. 5.5 - Prob. 35ECh. 5.5 - Systems of Inequalities Graph the solutions set of...Ch. 5.5 - Prob. 37ECh. 5.5 - Prob. 38ECh. 5.5 - Prob. 39ECh. 5.5 - Prob. 40ECh. 5.5 - Prob. 41ECh. 5.5 - Prob. 42ECh. 5.5 - Prob. 43ECh. 5.5 - Prob. 44ECh. 5.5 - Prob. 45ECh. 5.5 - Prob. 46ECh. 5.5 - Prob. 47ECh. 5.5 - Prob. 48ECh. 5.5 - Prob. 49ECh. 5.5 - Prob. 50ECh. 5.5 - Prob. 51ECh. 5.5 - Prob. 52ECh. 5.5 - Prob. 53ECh. 5.5 - Prob. 54ECh. 5.5 - Prob. 55ECh. 5.5 - Prob. 56ECh. 5.5 - Prob. 57ECh. 5.5 - Prob. 58ECh. 5.5 - Prob. 59ECh. 5.5 - Prob. 60ECh. 5.5 - Prob. 61ECh. 5.5 - Prob. 62ECh. 5.5 - Prob. 63ECh. 5.5 - Prob. 64ECh. 5.5 - Prob. 65ECh. 5.5 - Prob. 66ECh. 5.5 - Prob. 67ECh. 5.5 - Graphing Systems in inequalities Use a graphing...Ch. 5.5 - Prob. 69ECh. 5.5 - Prob. 70ECh. 5.5 - Prob. 71ECh. 5.5 - Prob. 72ECh. 5.5 - Coffee Blends A coffee merchant sells two...Ch. 5.5 - Prob. 74ECh. 5.5 - Discuss Shading unwanted regions to graph the...Ch. 5 - Prob. 1CCCh. 5 - Prob. 2CCCh. 5 - Prob. 3CCCh. 5 - Prob. 4CCCh. 5 - Prob. 5CCCh. 5 - (a) Explain how Gaussian elimination works. (b)...Ch. 5 - (a) How do we express a rational function r as a...Ch. 5 - Prob. 8CCCh. 5 - (a) How do we graph the solution set of a system...Ch. 5 - Prob. 1ECh. 5 - Systems Of linear Equations in two Variables Solve...Ch. 5 - Prob. 3ECh. 5 - Prob. 4ECh. 5 - Prob. 5ECh. 5 - Prob. 6ECh. 5 - Prob. 7ECh. 5 - Prob. 8ECh. 5 - Prob. 9ECh. 5 - Prob. 10ECh. 5 - Prob. 11ECh. 5 - Prob. 12ECh. 5 - Prob. 13ECh. 5 - Prob. 14ECh. 5 - Prob. 15ECh. 5 - Prob. 16ECh. 5 - Prob. 17ECh. 5 - Prob. 18ECh. 5 - Prob. 19ECh. 5 - Prob. 20ECh. 5 - Prob. 21ECh. 5 - Prob. 22ECh. 5 - Prob. 23ECh. 5 - Prob. 24ECh. 5 - Prob. 25ECh. 5 - Prob. 26ECh. 5 - Prob. 27ECh. 5 - Prob. 28ECh. 5 - Prob. 29ECh. 5 - Prob. 30ECh. 5 - Prob. 31ECh. 5 - Prob. 32ECh. 5 - Prob. 33ECh. 5 - Prob. 34ECh. 5 - Prob. 35ECh. 5 - Prob. 36ECh. 5 - Prob. 37ECh. 5 - Prob. 38ECh. 5 - Prob. 39ECh. 5 - Prob. 40ECh. 5 - Prob. 41ECh. 5 - Prob. 42ECh. 5 - Prob. 43ECh. 5 - Prob. 44ECh. 5 - Prob. 45ECh. 5 - Graphing Inequalities Graph the inequality xy24Ch. 5 - Prob. 47ECh. 5 - Prob. 48ECh. 5 - Prob. 49ECh. 5 - Prob. 50ECh. 5 - Prob. 51ECh. 5 - Prob. 52ECh. 5 - Prob. 53ECh. 5 - Prob. 54ECh. 5 - Prob. 55ECh. 5 - Prob. 56ECh. 5 - Prob. 57ECh. 5 - General System of equations for what Values of k...Ch. 5 - A system of equations if given. (a) Determine...Ch. 5 - A system of equation is given. (a) Determine...Ch. 5 - Prob. 3TCh. 5 - Prob. 4TCh. 5 - Prob. 5TCh. 5 - Prob. 6TCh. 5 - Prob. 7TCh. 5 - Prob. 8TCh. 5 - Prob. 9TCh. 5 - Prob. 10TCh. 5 - Prob. 11TCh. 5 - Prob. 12TCh. 5 - Prob. 13TCh. 5 - Prob. 14TCh. 5 - Prob. 15TCh. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Find the maximum and minimum values of the given...Ch. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Manufacturing Calculators A manufacturer of...Ch. 5 - Prob. 9PCh. 5 - Prob. 10PCh. 5 - Prob. 11PCh. 5 - Feeding Lab Rabbits A biologist wishes to feed...Ch. 5 - Investing in Bonds A woman wishes to invest...Ch. 5 - Annual interest yield refer to problem 13 .suppose...Ch. 5 - Business Strategy A small software company...Ch. 5 - Feasible region all part of this problem refer to...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Similar questions
- Sara invested 2500, part of it at 4 and the rest at 6 yearly interest. The yearly income on the 6 investment was 60 more than the income on the 4 investment. How much money did she invest at each rate?arrow_forwardPaul has $20,000 to invest. His intent is to earn11% interest on his investment. He can invest part of his money at 8% interest and part at 12% interest. How much does Paul need to invest in each option to make get a total 11% return on his $20,000?arrow_forwardAlisha is making an 18 ounce coffee beverage that is made from brewed coffee and milk. The number of ounces of brewed coffee is 5 times greater than the number of ounces of milk. How many ounces of coffee and how many ounces of milk does Alisha need?arrow_forward
- Manny is making 12 quarts of orange juice from concentrate and water. The number of quarts of water is 3 times the number of quarts of concentrate. How many quarts of concentrate and how many quarts of water does Manny need?arrow_forwardJesse has $6.55 worth of quarters and nickels in his pocket. The number of nickels is five more than two times the number of quarters. How many nickels and how many quarters does Jesse have?arrow_forwardJosue wants to go on a 10-night road trip with friends next spring. It will cost him $180 for gas, $450 for food, and $49 per night to share a motel room. He has $520 in savings and can earn $30 per driveway shoveling snow. How many driveways must he shovel to have enough money to pay for the trip?arrow_forward
- The community college soccer team sold three kinds of tickets to its latest game. The adult tickets sold for $10, the student tickets for $8 and the child tickets for $5. The soccer team was thrilled to have sold 600 tickets and brought in $4,900 for one game. The number of adult tickets is twice the number of child tickets. How many of each type did the soccer team sell?arrow_forwardVictoria jogs 12 miles to the park along a flat trail and then returns by jogging on an 18 mile hilly trail. She jogs 1 mile per hour slower on the hilly trail than on the flat trail, and her return trip takes her two hours longer. Find her rate of jogging on the flat trail.arrow_forwardKenneth currently sells suits for company A at a salary of $22,000 plus a $10 commission for each suit sold. Company B offers him a position with a salary of $28,000 plus a $4 commission for each suit sold. How many suits would Kenneth need to sell for the options to be equal?arrow_forward
- Solve each problem. Evaporation How many liters of water must evaporate to turn 12 liters of a 24 salt solution into a 36 solution?arrow_forwardLeo is planning his spring flower garden. He wants to plant tulip and daffodil bulbs. He will plant 6 times as many daffodil bulbs as tulip bulbs. If he wants to plant 350 bulbs, how many tulip bulbs and how many daffodil bulbs should he plant?arrow_forwardOrlando is mixing nuts and cereal squares to make a party mix. Nuts sell for $7 a pound and cereal squares sell for $4 a pound. Orlando wants to make 30 pounds of party mix at a cost of $6.50 a pound, how many pounds of nuts and how many pounds of cereal squares should he use?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
Algebra for College StudentsAlgebraISBN:9781285195780Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice University
Algebra: Structure And Method, Book 1
Algebra
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:McDougal Littell
Algebra for College Students
Algebra
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Elementary Algebra
Algebra
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:OpenStax - Rice University
Use of ALGEBRA in REAL LIFE; Author: Fast and Easy Maths !;https://www.youtube.com/watch?v=9_PbWFpvkDc;License: Standard YouTube License, CC-BY
Compound Interest Formula Explained, Investment, Monthly & Continuously, Word Problems, Algebra; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=P182Abv3fOk;License: Standard YouTube License, CC-BY
Applications of Algebra (Digit, Age, Work, Clock, Mixture and Rate Problems); Author: EngineerProf PH;https://www.youtube.com/watch?v=Y8aJ_wYCS2g;License: Standard YouTube License, CC-BY