The ratio of the fuel used to cover 2 miles to the fuel used to cover 4 miles is
Jack's truck uses an average of 1 gallon of fuel for covering a distance of 8 miles. With 6 gallons of fuel in the tank, distance covered by him before needing to stop for fuel is
What would be your fuel bill to drive across the U.S. (3,000 miles) paying $5/gallon at 30 miles per gallon?