Question 360142: a car averages 28.7 miles per. gallon. how many gallons does it use on a trip 501.5 miles round to the nearest tenth. Answer by Griffinsdad06(8) (Show Source):
You can put this solution on YOUR website! Well you know the car gets 28.7 miles per gallon and you are going to drive 501.5 miles.
Divide 501.5 the total miles by 28.7 this will give you 17.47386....
Now you need to round that to the nearest tenth so 17.5 gallons of gas.
You can check it by multiplying 17.5 x 28.7 = 502.25 miles
I hope that helps!!!