Suppose that Ace car rental company charges $30 plus $0.20 per mile; and Bell car...

...rental company charges $15 p? What is the answer to this?

Suppose that Ace car rental company charges $30 plus $0.20 per mile; and Bell car rental company charges $15 plus $0.30 per mile. Write an equation for finding the mileage x for which the two companies charge the same amount.