Diane will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $42 and costs an additional $0.17 per mile driven. The second plan has an initial fee of $51 and costs an additional $0.15 per mile driven.
For what amount of driving do the two plans cost the same?
__miles
What is the cost when the two plans cost the same?
$__