The car will go 20.5 miles on 1 gallon of gas and 1,537.5 miles on 75 gallons of gas. To get the answer you need to take the 410 miles and divide it by the number of gallons the car used, 20 gallons. By doing this you get 20.5 miles to 1 gallon. Then you take and multiply the 20.5 miles by the 75 gallons to get how many miles the car will go on the 75 gallons, 1,537.5 miles.
