Answer:
37.5 Miles Per Gallon
Explanation:
The Mileage of a car is the total number of miles driven divided by the total number of gallons (liters) of gas used.
For this problem, the units is miles per gallon
Allison can drive 450 miles with 12 gallons of gas. So
Total Miles Driver = 450 miles
Total Gas = 12 gallons
Hence, the mileage would be 450 divided by 12:
Mileage = 450/12 = 37.5 Miles Per Gallon