S Stokes New member Feb 3, 2011 #1 Calculate the cost of gasoline for a 420 mile trip if your car averages 20 miles/gallon of gas, and the gas costs $0.95/gallon. How do u set up and answer?
Calculate the cost of gasoline for a 420 mile trip if your car averages 20 miles/gallon of gas, and the gas costs $0.95/gallon. How do u set up and answer?
