[" Which are distance of "6km" with a constant speed of "2.5km" ph and walks back "],[" collariment this average speed for the round trip expressed in kmplis "]

A boy walks to his school at a distance of 6km with constant speed of 2.5 kmph and walks back with a constant speed of 4 kmph. His average speed for round trip expressed in kmph is

A bo walks to his school at a distance of 6 km with constant speed of 2.5 kmh^(-1) and walks back with a constant speed of 4 kmh^(-1) . His average speed for round trip expressed in kmh^(-1) , is

A bo walks to his school at a distance of 6 km with constant speed of 2.5 kmh^(-1) and walks back with a constant speed of 4 kmh^(-1) . His average speed for round trip expressed in kmh^(-1) , is

A boy walks to his school at a distance of 6 km with constant speed of 2.5 km/h and walks back with a constant speed of 4 km/h. His average speed for the round trip is:

A boy walks to his school at a distance of 6 km with constant speed 2.5(km)/h and walks back with constant speed of 4(km)/h . What is the average speed for the round trip in (km)/h

A body wlaks to his school at a distance of 6 km with constant speed of 2-5 km h^(-1) and walks bach with a constant speed of 4 km h^(-1)~ What is avetage speed for the round trip in km h^(-1) ?

A car covers a distance of 80 km at a speed of 60 km/hr and another 140 km at a speed of 70 km/hr Find the average speed of the journey

A car travels up a hill at a constant speed of 35 km/h and returns down the hill at a constant speed of 60 km/h. Calculate the average speed for the round trip.