Предмет: Математика, автор: zhorochkamoroz

1. Два лыжника вышли одновременно навстречу друг другу из двух разных пунктов, расстояние между которыми 66 км. Скорость первого 12 км/ч. С какой скоростью ехал второй лыжник, если они встретились через 3 ч?

Ответы

Автор ответа: piksaeva85znayka
0
S=(V1+V2)×t, где S это расстояние ,V1 скорость одного лыжника, V2 скорость другого лыжника, а t это время в пути.
Чтобы найти V2  нужно S÷t-V1
Получаем такое выражение
66÷3-12=22-12=10 км /ч скорость второго лыжника
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