The speed of one motorcycle M is twice that of the other motor L cycle. If M covers a distance of 100 km in 1 hour and 15 minutes, then what is the speed of L? A. 50 km/h B. 40 km/h C. 80 km/h D. 30 km/h

Show answer & explanation

Answer: (A) B

Explanation

M covers 100 km in 1¼ hours, a speed of 100/1.25 = 80 km/h. L is half as fast: 40 km/h.