Question

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

Answer 1

Here total cost is $490 and cost of the parts is $210.

So, total repair charge = $490-$210 = $280.

Repair shop charges $80 for 1 hour labor.

Therefore no. of hours required to repair the car =

$

280

÷

$

80

=

3

1

2

hours

Answer 2

Cost charged for labour per hour=$80

cost for car parts =$210

out of $490

$210 is spend on parts of car

so remaining amount is$490-$210

=$280

According to the question

cost for per hour labour is $80

so time needed for repairing the car is=$280/$80

=3.5 hours

=3 hours 30 minutes

=210 minutes

I hope this answer would help you

Thank you