Chad drove 168 miles in 3 hours. how many miles per hour did chad drive? chad will drive 672 more miles. he continues to drive at the same rate. how many hours will it take chad to drive the 672 miles? chad stopped and filled the car with 11 gallons of gas. he had driven 308 miles using the previous 11 gallons of gas. how many miles per gallon did chad cars get? chad's car continues to get the same number of miles per gallon. how many gallons of gas will chads car use to travel 672 miles?