A man walks on a straight road from his home to a market 2.5km away with a speed of 5km//h . Finding the market closed , heinstantley turns and walks back home with a speed of 7.5km//h. The average speed of the man over the interval of time 0 to 40 nim , is equal to

A man walks on a straight road from his home to a market 2.5km away wi

1.	A man walks on a straight road from his home to a market 2.5km away with a speed of 5km//h . Finding the market closed , heinstantley turns and walks back home with a speed of 7.5km//h. The average speed of the man over the interval of time 0 to 40 nim , is equal to
Answer» ANSWER :`45/8km//h`