Russ has a car that averages 9.8 miles per gallon. Mike’s car averages 39.2 miles per gallon. How many times more miles per gallon does Mike’s car average than Russ’s car?

Question

Russ has a car that averages 9.8 miles per gallon. Mike’s car averages 39.2 miles per gallon. How many times more miles per gallon does Mike’s car average than Russ’s car?

Answer 1

Mike = 39.2 mi/gal

Russ = 9.8 mi/gal

Mike/Russ = how many more miles per gallon mike's car averages to Russ's car.

39.2/9.8 = 4 times more mi/gal.