Kevin will rent a car for the weekend. He can choose one of two plans. The first plan has no initial fee but costs

Question

$0.90
per mile driven. The second plan has an initial fee of
$50
and costs an additional
$0.70
per mile driven. How many miles would Kevin need to drive for the two plans to cost the same?

Answer 1

for m miles, you want

0 + 0.90m = 50 + 0.70m

Answer 2

m=110