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Chapter 5: Q. 5.74 (page 632)
Translate to a system of equations and then solve:
Jake鈥檚 dad is 6 more than 3 times Jake鈥檚 age. The sum of their ages is 42. Find their ages.
Jake's dad age = 33
Jake's age = 9
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In the following exercises, translate to a system of equations and solve.
The difference of two complementary angles is 68 degrees. Find the measures of the angles.
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?
When Gloria spent 15 minutes on the elliptical trainer and then did circuit training for 30 minutes, her fitness app says she burned 435 calories. When she spent 30 minutes on the elliptical trainer and 40 minutes circuit training she burned 690 calories. Solve the system for e, the number of calories she burns for each minute on the elliptical trainer, and c, the number of calories she burns for each minute of circuit training.
Solve a System of Equations by Elimination -
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