Let the total amount of gasoline required to mow the lawn = X gallon It is given that to mow 1/4th of the lawn, gasoline required = 1/2 gallon So we can deduce the equation as X/4 = 1/2 X = ( 1/2) * 4 = 2 So the total amount of Gasoline required to mow the full lawn is 2 gallons.
