For what mileages will Company A charge no more than Company B? Write your answer as an inequality, using m for the number of miles driven.

Question

Company A charges an initial fee of
$60
and an additional
90
cents for every mile driven.
Company B charges an initial fee of
$68.50
and an additional
80
cents for every mile driven.

Answer 1

0.9m + 60 ≤ 0.8m + 68.5

0.1m ≤ 8.5

m ≤ 85

 

85 miles