1 Answer

Cole W · Answer 1 · 2019-06-28T09:11:14+0000

A to B
Distance =48km , speed =36km/h
Time= D/S (distance divided by speed)
Time= 48/36= 12/9 of an hour

B to A
Distance=48km , speed=40km/h
Time=48/40= 6/5 of an hour

Total
6/5 + 12/9 = 38/15 = 2 & 8/15

Therefore, it took 2 & 8/15 of and hour.

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