At what miles are the rental cost the same

Question

A truck can be rented for 60.00 a day plus .20 per mile

A car can be rented for 40.00 a day plus .70 per mile

Whats the number of miles at which the rental cost for the car and truck are the same

Answer 1

60 +.2m = 40 +.7m

.5m = 20

m =20/.5 =40 miles

same cost of $68 for either the car or truck, for one day, at 40 miles