Kenneth S. answered 10/17/17
Tutor
4.8
(62)
Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
y = 1.75 + 0.25(x-1) where x is number of eighths of a mile (rounded up)
13.75 = 1.75(x-1)
12.00 = 0.25(x-1)
48 = x-1
x = 49 so distance is 49/8 mile = 6¼ mile (rounded up).
Assumes that it's 25 cents per extra 1/8 mile. Be careful in future when submitting questions(read before submitting.)