Question

A car repair shop charged $80 per hour for labor and $210 for the parts of a car. If the total cost of repair for the car was $490, how many hours did it take to repair the car?

Answer 1

Hello!

$\bf Answer:$

It took $\boxed{ \bf 3.5}$ hours to repair the car.


$\bf Explanation:$

First, subtract the cost of car parts from the total amount spent:

490 - 210 = 280

Divide this by cost of labor per hour:

280 ÷ 80 = 3.5