A non stop bus goes from one station to another at a speed of 54 km/h. The bus returns from the second station to first station at a speed of 36 km/h. Find the average speed of the bus.

Answer 1

figure the time it took going, and coming.

t=d/v where d is the distance each way.

then
add the times

avgvelocity=2d/total time

Answer 2

I am saying please tell this solution