If a Car Has an EPA Mileage Rating of 3

If a car has an EPA mileage rating of 3.0 × 10¹ miles per gallon, what is this rating inkm L^-1? 1 liter = 1 dm³, 1 gallon = 3.785 liter, 1 mile = 1.609 kilometer. Hint: Remember that when converting derived units, you must convert each of the component fundamental units individually.

A) 13 km L^-1
B) 200 km L^-1
C) 180 km L^-1
D) 70 km L^-1
E) 11 km L^-1