Question

You are running a fuel economy study. One of the cars you find is blue. It can travel 41 1/2 miles on 1 1/4 gallons of gasoline. Another car is red. It can travel 27 1/5 miles on 4/5 gallon of gasoline. What is the unit rate for miles per gallon for each car? Which car could travel the greater distance on 1 gallon?

Answer 1

Answer:

One of the cars you find is blue. It can travel 41 1/2 miles on 1 1/4 gallons of gasoline.

the unit rate for miles per gallon for blue car

$\frac{41.5}{1.25} = 33.2 \: \: \frac{miles}{gallon}$

Another car is red. It can travel 27 1/5 miles on 4/5 gallon of gasoline.

the unit rate for miles per gallon for red car

$\frac{27.2}{0.8} = 34 \: \: \frac{miles}{gallons}$