Предмет: Математика, автор: anastasiapisar

лодка шла 6 часов по течению реки со скоростью 7 келомметров в час и 2 часа против течения найди скорость лодки против течения реки если всего она прошла 50 километрев

Ответы

Автор ответа: Nikita18052004

1. 6*7=42 (км) прошла лодка по течению.

2. 50-42=8 (км) прошла лодка против течения.

3. 8*2 = 16 (км/ч)

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