Some engies require oil to be mixed with gasoline. For every gallon of gas used, 4 ounces of oil should be added. How much gas is needed if 12 ounces of oil are used?
1 gallon of gas requires 4 ounces of oil X gallons of gas require 12 ounces of oil 1/4 = x/12 4x = 12 x = 12/4 x = 3 . Therefore , 3 gallons of gas are needed.
