Melissa holds two jobs. In Job A she earns $14 per hour, and in job B she earns $12.50 per hour. One week Michelle worked a total of 45 hours and earned $600. How many hours did she work in each job that week. Show your equation and work that you used to solve the equation.

Question

Jackrabbit

Mathematics

2 February, 22:27

Melissa holds two jobs. In Job A she earns $14 per hour, and in job B she earns $12.50 per hour. One week Michelle worked a total of 45 hours and earned $600. How many hours did she work in each job that week. Show your equation and work that you used to solve the equation.

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Answers (1)

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Yuliana Wiley · Answer 1

Let x = hours spent job A

let y = hours spent job B

14x + 12.50y = 600

x + y = 45

x=-y + 45

14 (-y+45) + 12.5y = 600

-14y + 630 + 12.5

-1.5x + 630 = 600

-1.5x=-30

x=20

(20) + y = 45

y = 25

20 hours job A, 25 hours job B