Answer
1 km = 0.62137 mi 1 L = 0.26417 gal
Using dimensional analysis gives:
$(17 \times 0.62137) / (1 \times 0.26417) = 40 miles / gallon$
Work Step by Step
1 km = 0.62137 mi 1 L = 0.26417 gal
Using dimensional analysis gives:
$(17 \times 0.62137) / (1 \times 0.26417) = 40 miles / gallon$