MathNet 2015-part-06 — 191 problems (EN–VI) Question 40

Lewis Hamilton completes a 72-lap race travelling at an average speed of 288 km/h. Each lap is 6 km in length. The time taken, in hours, for him to complete the race is
(A) 1 (B) 2 (C) 2.5 (D) 3 (E) 1.5