Mathematics, 02.11.2020 19:00, nelyanariba981p555ve

The current in a river moves at a speed of 2 kph. A boat travels 30 km upstream and 30 km downstream in a total time of 8 hours. What is the speed of the boat in still water?

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The current in a river moves at a speed of 2 kph. A boat travels 30 km upstream and 30 km downstrea...