I have to take a 100 mile trip in the family car and want to get the
best "miles per gallon" that I can, so I drive fifty miles an hour in
the slow lane.
I get excellent gasoline mileage during the trip and arrive at my
destination approximately two hours later.
The next day, I take the same trip in my Corvette, but I drive one
hundred miles per hour and get there in one hour.
The Corvette's "miles per gallon" is twice that of the family car, but
I got there in half the time and shut the car off.
So, did the both the cars use the same amount of gasoline?