A gas engine is 6% efficient. What portion of a full 21 gallon tank of gas is wasted?

1 Answer
Feb 1, 2018

19.74 gallons of the gas in the tank is wasted.

Explanation:

Total Gas = 21 gallon

Since the efficiency of the gas engine is 6%, wastage is #= 100 - 6 = 94%.

Therefore wastage #= 94% * 21 = (94 * 21) / 100 = 19.74# gallons