If the best gas mileage is the highest rate, which truck has the BEST gas mileage?
A. Truck A, because for every mile the truck uses 19 gallons.
B. Truck A, because for every gallon the truck goes 19 miles.
C. Truck B, because for every mile the truck uses 18 gallons.
D.Truck B, because for every gallon the truck goes 18 miles.