7. REINFORCE On a trip to the Museum of Mathematics in New York City, you traveled 754 miles. The trip took you 13 hours and you used 26 gallons of gas. The total cost of the gas was $78.78. Complete the following rates for the trip. a. Your average speed on the trip was miles per hour. b. The mileage your car got on the trip was miles per gallon. c. The price you paid for gas was per gallon.