the gas tank on a car holds 16.6 gallons. If the car goes 332 miles on a single tank how many miles per gallon does the car get

A 18 miles
B 20 miles
C 17 miles
D 19 miles

(as with any math question I ask I would also like an explanation of why the answer is what it is//how you get the answer so I am able to do it on my own the next time)

Respuesta :

the answer is B.
the reason "B"ing 332/16.6=20
therefore 20 miles per gallon