Explanation:
Identify the cost of 125 miles;

$15 for 125 miles.
Subtract 150 and 15;

(Money remaining)
Divide 135 by 25 to identify how many days she can rent the car;

5 2/5 decreases to 5 as you can't rent a car for 5 2/5 days.
Answer: She can drive 125 miles and rent the car for 5 days.