Alyssa wants to know the gas mileage of her new car. She kept track of the number of miles she traveled and the number of gallon
s she used. Which method and reasoning can Alyssa use to calculate the gas mileage in miles per gallon? Miles Traveled : 243.8
Gallons Used : 7.71
A. 243.8 miles × 7.71 gallons
because multiplying a quantity with units of miles by a quantity with units of gallons gives a quantity with units of miles per gallon.
B. 243.8 miles - 7.71 gallons
because subtracting a quantity with units of gallons from a quantity with units of miles gives a quantity with units of miles per gallon.
C. 7.71 gallons ÷ 243.8 miles
because dividing a quantity with units of gallons by a quantity with units of miles gives a quantity with units of miles per gallon.
D. 243.8 miles ÷ 7.71 gallons
because dividing a quantity with units of miles by a quantity with units of gallons gives a quantity with units of miles per gallon.