Предмет: Математика, автор: zlatakwa

2. От двух станции, расстояние между которыми 420 км, в 18 ч вышли
два поезда навстречу друг другу. Один поезд шёл со скоростью
67 км/ч, а другой – 73 км/ч. В котором часу поезда встретятся?

Ответы

Автор ответа: qwelti

Ответ:

1)67 + 73 = 140 км/ч

2)420 : 140 = 3 ч

3) 18+3=21 ч

Ответ: в 21 час они встретятся

Arya2021: ВОЛШЕБНАААА

zlatakwa: Спасибо

Arya2021: С Божьей помощью.

Автор ответа: odilzonovulugbek

Решение:

1) 420÷(67+73)=3 (ч) они встрется

Ответ: они встретятся через 3

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