Write an inequality for the total cost of the rental.

Cost of the rental = `19.50+0.25x<=44`

where x is the number of miles driven.

Subtract 19.50 from both sides.

`0.25x<=44-19.50`

`0.25x<=24.5`

`x<=24.5/0.25`

`x<=98`

**Thus the greatest number of miles you can drive is 98 miles.**