Yesterday, Grace drove 38 1/2 miles. She used 1 1/4 gallons of gasoline. What is the unit rate for miles per gallon?

The unit rate for miles per gallon is 30 3/5

miles per gallon

Step-by-step explanation:

To get the unit rate for miles per gallon, we simply divide the number of moles by the amount of gallons

Number of miles is 38 1/2 which is 77/2 miles

Number of gallons = 1 1/4 = 5/4

So unit rate will be;

77/2 divided by 5/4

= 77/2 * 4/5 = 154/5 = 30 3/5 miles per gallon

in 4 days he will run   12/14

step-by-step explanation: