Answer:
3.2 miles
Explanation:
Initial fee plus state tax first because they are static:
3.25 + 0.5 = 3.75
Remove the initial charge plus tip from total cost:
14.75 - 3 - 3.75 = 8
Divide by 0.5 to get how many 1/5 of a mile he went:
8 / 0.5 = 16
Divide 16 by 5 to get miles:
16 / 5 = 3.2 miles