a car rents for $40 per day plus 21cent per mile. You are on a daily budget of $82. What mileage will allow you to stay within your budget?

The solution is

3 answers

$82 - 40 = $42

42/0.21 = ? miles per day
200 Miles as long as the final stop is where you need to end up for the day.

(However, you should really tip the driver 20%, so at least a $12.00 gratuity. That would leave you with $30.00, which would be just over 142 miles to travel.)
Daniel, in this country most people drive themselves and don't hire a driver.