Mathematics

Madeleine Ortega

13 July, 16:51

Jackie has two jobs. She earns $14/h in Job A and $16/h in Job B. She would like to earn $560 in a week. Let a represent the number of hours she works in Job A, and let b represent the number of hours she works in Job B.

Which function relates the number of hours she works in Job B to the number of the hours she works in Job A?

A. b = - 8/7a + 40

B. b = - 7/8a + 35

C. b = 7/8a - 35

D. b = 8/7a - 40