Mathematics
Mathematics, 31.08.2019 03:20, casting479

Amotorboat that travels with a speed of 20 km/hour in still water has traveled 20 km against the current and 180 km with the current, having spent 8 hours on the entire trip. find the speed of the current of the river

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Amotorboat that travels with a speed of 20 km/hour in still water has traveled 20 km against the cur...

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