A person walks 90m in 45 minutes, 150m in 30 minutes and finally 30m in 15minutes. Find its average speed? ​with solution's po

Sagot :

Answer:

3 m/min

Explanation:

Total distance = 90 m + 150 m + 30m

Total distance = 270 m

Total time = 45 minutes + 30 minutes+ 15 minutes

Total time= 90 minutes

Average speed = total distance /total time

Average speed = 270 m /90 mins

Average speed = 3 m/min