Against the river flow, the ship sailed 192 km in 8 hours. How many hours will the ship take for the return
| December 21, 2020 | education
Against the river flow, the ship sailed 192 km in 8 hours. How many hours will the ship take for the return journey if the river speed is 4 km / h?
Looking for speed against the stream 192: 8 = 24 km / h
then we are looking for a downstream speed 24 + 8 = 32 km / h
and the last one is looking for how many hours on the way back 192: 32 = 6 hours
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