9 kilometers in 60 minutes
= 9 kilometers/ hour
if someone walks 5km in 21 minutes and then 4 km in 39 minutes then whats his average speed
3 answers
9 km in 60 minutes = 9 kph
avg speed is total distance divided by total time:
(5+4)/(21+39) km/min = 9 km/hr
That's a pretty good clip!
(5+4)/(21+39) km/min = 9 km/hr
That's a pretty good clip!
1 answer