Respuesta :

324 miles divided by 18 gallons = 18 miles per gallon (mpg) 

Therefore, 41 gallons x 18 mpg = 738 
18 gallons of gas was used for 324 miles.

1 gallon of gas would be for:    324/18

41 gallons of gas would then be:         324/18 * 41 = 18 * 41 = 738 miles.

41 gallons would travel 738 miles.