Solve the problem. Parts for an automobile repair cost $448. The mechanic charges $28 per hour. If you receive an estimate for at least $532 and, at most, $616 for fixing the car, what is the time interval, in hours, that the mechanic will be working on the job?
a.{1,6}
b.{1,3}
c.{3,6}
Sorry, you do not have permission to read comments.