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Chapter 5: Q. 5.71 (page 631)
Translate to a system of equations:
A couple has a total household income of \(84,000. The husband earns \)18,000 less than twice what the wife earns. How much does the wife earn?
system of equations:
w + h = 84000
h = 2w - 18000
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In the following exercises, translate to a system of equations and solve the system.
In her last two years in college, Marlene received \(42,000 in loans. The first year she received a loan that was \)6,000 less than three times the amount of the second year鈥檚 loan. What was the amount of her loan for each year?
In the following exercises, translate to a system of equations and solve.
Jackie has been offered positions by two cable companies. The first company pays a salary of \( 14,000 plus a commission of \)100 for each cable package sold. The second pays a salary of \(20,000 plus a commission of \)25 for each cable package sold. How many cable packages would need to be sold to make the total pay the same?
Solve a System of Equations by Elimination -
In the following exercises, translate to a system of equations and solve.
The sum of two numbers is 30. One number is 4 less than the other. Find the numbers.
In the following exercises, solve the following systems of equations by graphing.
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