Yesterday, JackJack drove 43 and one half43 1 2 miles. HeHe used 1 and one fourth1 1 4 gallons of gasoline. What is the unit rate for miles per gallon?
[43 1/2] / [1 1/4] =
[87/2] / [ 5/4] =
87/2 x 4/5 =348 / 10 =34.8 miles per gallon.
