Twice last month Judy rented a car.the company rents cars for a daily fee plus an additional charge per mile..?

twice last month Judy rented a car. the company rents its car for a daily fee plus an additional charge per mile driven. Judy recalls that her first trip lasted 4 days, she drove 450 miles, and the rental cost her $217.00. On her second business trip she drove 200 miles in 3 days, and paid $138.00 for the rental. Find the daily fee, and find the mileage charge.