Timmy's van travels an average of 30 kilometers per gallon of fuel. How many miles does Timmy's van travel per gallon of fuel? Use 1 mile is equal to about 1.61 kilometers, and round to the nearest tenth of a mile.

A. 28.4
B. 48.3
C. 18.6
D. 186

To find the distance in miles that Timmy's van travels per gallon of fuel, we need to convert the kilometers to miles.

30 kilometers/gallon * 1 mile/1.61 kilometers = 18.6 miles/gallon

Rounded to the nearest tenth of a mile, Timmy's van travels 18.6 miles per gallon of fuel.

Therefore, the answer is C. 18.6.