Question

A boy reached a railway station 4 km away from his house run a uniform speed
hour. He took rest for 0.5 hour at the station and then came back to his house walking with a
uniform speed in 1.5 hour represent the whole journey by of boy
time -displacement
and determine his average speed.
​

Answer 1

Answer:

6.0 hour is the time so he travel 4 km

Answer 2

Explanation:

Hence the answer is 2.67 km/h.