A rental car agency charges $12 per day plus $.10 per mile to rent a certain car. Another agency charges $15 per day plus $.08 per mile to rent the same type of car. How many miles per day will have to be driven for the cost of a car from the first agency to equal the cost of a car from the second agency? a 1350 miles per day b 1500 miles per day c 150 miles per day d 135 miles per day