Предмет: Математика, автор: mnigorevna

Поезд выехал из одного города в 23 ч 15 мин, приехал в другой город в 6ч 25 мин следующего дня, по пути сделал 2 остановки по 5 мин. С какой скоростью ехал поезд, если он прошел 651 км?

Ответы

Автор ответа: кляча
4
1) 24 часа - 23часа 15мин = 45мин. ехал поезд в конце первых суток
2) 45мин + 6час.25мин = 7час.10мин всего поезд затратил на путь.
3) 5 * 2 = 10мин поезд стоял на остановках
4) 7час.10мин. - 10мин. = 7час. поезд ехал
5) 651 : 7 = 93(км/ч)
Ответ: 93 км\ч - скорость поезда..

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