find the unit rate of the problems below

A car can travel 300 miles on 15 gallons of gas.
what is the unit rate per gallon of gas?

show your work

To find the unit rate per gallon of gas, we divide the total distance by the amount of gas used:

Unit rate = distance ÷ gas

Unit rate = 300 miles ÷ 15 gallons

Unit rate = 20 miles per gallon

Therefore, the unit rate per gallon of gas is 20 miles per gallon.