A person walks at 5kmph for 6hr and at 4kmph for 12hr.The average speed is.
4 1/3
7 2/3
9 ½
8km
Explanation:
Avg speed = total distance/total time
= 5*6 + 4*12 / 18
=4 1/3 mph
Avg speed = total distance/total time
= 5*6 + 4*12 / 18
=4 1/3 mph