Предмет: Математика, автор: ailesiavoloskov

Орёл и сокол полетели из одной точки в противоположных направлениях . Через какое время расстояние между ними станет равным километру, если скорость орла - 30 м /с, а скорость сокола - 20 м/с?

Ответы

Автор ответа: СоНя321

1 км - 1000м
20+30=50(м/с)
1000:50=20(с)
Ответ: через 20 секунд расстояние между ними будет равно одному км.

Автор ответа: dsid2004

1км=1000м
1000:(30+20)=20

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