Answer:
25.81 miles per gallon
Explanation:
To find how many miles per gallon you have to divide the total amount of miles by the amount of gallons.
So 542/21 is 25.809
25.809 can be rounded to 25.81 miles per gallon.
25.81 miles per gallon.
Average = 542 / 21 = 25.81 miles per gallon.
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