3. You took a trip to the San Diego Zoo. You traveled 693 miles. The trip took you 11 hours and you used 21 gallons of gas. The total cost of the gas was $69.72. Can you use this information to complete the following unit rates for the trip? miles per hour miles per gallon. per gallon. Your average speed on the trip was The mileage your car got on the trip was The unit price you paid for gas was