Question

A boy walls on a horizontal
road and travels 2.5m with
constant speed of 5 km/h.
Then he returns to the same point with a speed of 7km/h. What is
the average speed over the
interval of in
of time-o to 30 min​

Answer 1

Answer:

3.5

hopefully it help mark as brainliest hope it help mark as brainliest hope it help mark

Answer 2

Answer:

3.5

............... .