if m is miles miles driven to stay within budget
given:
(daily budget) - (daily rental fee) =
+92+-+40+=+52+
$52 is left for milage cost
+52+%2F+.2++=+260+ (dollars)/(dollars/mile)
A maximum of 260 miles/day driven will allow you to stay within budget
(so the answer is 260 miles/day)
