ANSWER:
(a) 0.23
(b) 8.33
Explanation:
(a)
In this case we must divide the amount of hours (3) by the price ($13), in order to find the value of hours per dollar, like this:

(b)
In this case we must divide the time (25 minutes) by the distance traveled (3 miles), in order to find the value of minutes per miles:
