math
posted by jasmine on .
the jenkins started their trip with a full tank of gas and 48,961 miles on their car.They stopped and filled the gas tank seven hours later with 14.0 gallons of gas.At that time the car total mileage was 49,381. what was the car average speed in miles per hour for the first seven hours of the trip?

(4938148961)/7 = 420/7 = 60