gas mileage

Nancy's car gets n miles per gallon of gas. If she travels x miles, how many gallons of gas did she use? x miles / n gmiles = x / n gallons of gas

Sara bought a gas-electric hybrid car. She traveled 481.25 miles and used 9.625 gallons of gas. How many miles did the hybrid car travel for each gallon of gas? 481.25/9.625 = 50 miles per gallon