9514 1404 393
Answer:
32 2/5 miles per gallon
Explanation:
To find miles per gallon, divide miles by gallons.
(40.5 mi)/(1.25 gal) = 32.4 mi/gal
The unit rate is 32 2/5 miles per gallon.
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Additional comment
We assume you want the answer as a mixed number, since all of the problem numbers are given in that format.