A truck can be rented from Basic Rental for $50.00 a day plus $0.15 per mile. Continental charges $32.00 per day plus $0.45 per mile to rent the same...

A truck can be rented from Basic Rental for $50.00 a day plus $0.15 per mile. Continental charges $32.00 per day plus $0.45 per mile to rent the same truck.

a) Write an expression to calculate the cost of renting and driving a truck from Basic Rental. Let x be the number of miles driven.

b) Write an expression to calculate the cost of renting and driving a truck from Continental. Let x be the number of miles driven.