A truck can be rented from Basic Rental for $60.00 a day plus $0.20 per mile. Continental charges $46.00 per day plus $0.40 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.
Cost =

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

c) How many miles must be driven in a day to make the rental cost for Basic Rental a better deal than Continental's?
Note: Enter your answer as, More than mmm miles in a day -- do not put a period at the end of the phrase.
Answer: