SOLUTION: Grace drove 38 1/2 miles. She used 1 1/4 gallons of gas. What is the unit rate for miles per gallon?

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Grace drove 38 1/2 miles. She used 1 1/4 gallons of gas. What is the unit rate for miles per gallon?      Log On


   

Question 650369: Grace drove 38 1/2 miles. She used 1 1/4 gallons of gas. What is the unit rate for miles per gallon?
Answer by sheldonbbtrocks(115) About Me  (Show Source):
You can put this solution on YOUR website!
We will use the following formula for this problem: Miles+Per+Gallon=+%28Distance%29%2F%28Gallons+used%29

MPG=+%2838.5%29%2F%281.25%29 (I converted fractions to decimals, it is easier for me)

We solve:
MPG= 30 4/5 or 30.8