Vinny auto repair charges $75 an hour for labor plus the cost of parts. Mr sellners car was repaired and repaired $50 worth of parts and h hours of labor. The total cost, C, to repair the car is modeled by this function.

C (h) = 75h+50

The total cost to repair the car was $650. How many hours of labor were required?

Select the correct answer below.

A. 8hours

B. 8 2/3 hours

C. 9 1/3hours

D. 13 hours

Question

Karlie Todd

Mathematics

8 August, 22:40

Vinny auto repair charges $75 an hour for labor plus the cost of parts. Mr sellners car was repaired and repaired $50 worth of parts and h hours of labor. The total cost, C, to repair the car is modeled by this function.

C (h) = 75h+50

The total cost to repair the car was $650. How many hours of labor were required?

Select the correct answer below.

A. 8hours

B. 8 2/3 hours

C. 9 1/3hours

D. 13 hours

+1

Answers (1)

Know the Answer?

Aguilar · Answer 1

Set C (h) = 75h+50 = to 650 and solve for h, the number of hours the repair required:

75h = 600 Dividing both sides by 75,

h = 600/75 = 8 hours (answer)

Are you sure you wanted to write " Mr sellners car was repaired and repaired"?