Question 1067857
The charge this year = the charge last year + the charge last year * 5 %
The charge this year = 5 + 5 * 0.05
The charge this year = 5 + 0.25
The charge this year = $ 5.25 per 1/2 mile

Number of "1/2 mile" in 1 1/2 miles:
  (1 1/2) / (1/2) = 3 "1/2 mile"s

3 * $ 5.25 = $15.75