Question

If your car gets 27.6 mi/gal, how many gallons of gasoline would you use if you drove 552.4 miles

Answer 1

The mileage is 27.6 mi/gal
Miles driven = 552.4 mi

Calculate gallons used.
$gallons = \frac{552.4 \, mi}{27.6 \, mi/gal} = 20.015 \, gal$

Answer: 20.015 gallons  (approximately 20 gallons)

Answer 2

you would use approx. 20.014 gallons.