Answer:
It takes 60 miles driven with company B for charge as much as company A
Explanation:
Company A = $ 117 with unlimited mileage.
Company B = $ 75 + (m × $0,70)
Let's find the number of miles driven in company B for charge as much as company A:
$ 75 + (m × $ 0,70) = $ 117
m × $ 0,70 = $ 117 - $ 75
m = $ 42/ $0,70
m = 60 miles