Question

10. Acme Car rental charges $4 a day plus $0.15 per mile,
whereas Interstate rental agency charges $20 a day and
$0.05 per mile. How many miles must be driven to
make the daily cost of an Acme rental a better deal than
an Interstate Rental?​

Answer 1

$4+$0.15m=$20+$0.05m
$0.10m=$16
m=160
ANSWER: The two rentals cost the same at 160 miles per day.