The boat goes 100 km downstream in 4 hours, back – in 10 hours. Determine the speed of the current and the boat.
| December 9, 2020 | education
100km / 4h = 25km / h downstream
100km / 10h = 10km / h upstream
From here we get:
V current (25-10) km / 2 = 7.5km / h
V boats 25-7.5 = 17.5km / h
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