Best Car rental agency charges a flat rate of $40 and 10¢ per mile to rent a standard car. A+ Rentals charges a flat rate of $35 and 20¢ per mile for the same car.
a. Write an equation to represent the total cost (y) and number of miles (x) of renting from each company.
b. If you plan to rent a car and travel 500 miles, which plan would you choose and why? Show your work.
c. How many miles do you need to drive for both plans to cost the same?