Question 151094: a motorist travels 632 miles. assuming the car averages 29.3 miles per gallon, how many gallons of gasoline (to the nearest tenth of a gallon) were used?: a motorist travels 632 miles. assuming the car averages 29.3 miles per gallon, how many gallons of gasoline (to the nearest tenth of a gallon) were used? Answer by checkley77(3397) (Show Source):