Answer
The mileage in miles/gallon is $30.10747\frac{miles}{gallon}$
Work Step by Step
Using the conversion factors below:
$12.8\frac{km}{L}×\frac{1.0 L}{0.264172gallons}×\frac{0.621371 miles}{1 km}=30.10747\frac{miles}{gallon}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.