Question

Mike drove to the town hall and back.The trip there took six hours and the trip back took four hours. What was Mike's average speed on the trip there if he averaged 30 km/h on the return trip?

Answer 1

Explanation:

6hours = 360minute

4hours = 240minute

Soo.

360 - 240 = 120minute (2hours)

= 120/30 = 40km/minute