Solve the problem.
-Parts for an automobile repair cost $432. The mechanic charges $36 per hour. If you receive an estimate for at least $540 and at most $612 for fixing the car, what is the time interval, in hours, that the mechanic will be
Working on the job?

Question

Quizplus · Accepted Answer

The total cost includes parts ($432) and labor ($36 per hour). The estimate range is $540 to $612. Subtracting the parts cost from the estimate gives a labor cost range of $108 to $180. Dividing these by the hourly rate ($36) gives a time range of 3 to 5 hours.

Solve the Problem. -Parts for an Automobile Repair Cost $432. the Mechanic Charges