Предмет: Математика, автор: йолопу

Товарный поезд прошёл 420 км за 7 часов,а электричка за 3 часа прошла 360 км.Во сколько раз скорость электрички больше скорости товарного поезда?

Ответы

Автор ответа: andreyishp

1)420/7=60(км/ч) - скорость товарного поезда
2)420/3=140 (км/ч) - скорость электрички
3)140/60= 2 целых 1/3
Ответ: скорость электрички больше в 2 целых 1/3

andreyishp: у меня ошибка

andreyishp: я понял

йолопу: 120:60?

andreyishp: там не 420/3 ,а 360/3 и дальше там в 3 действии надо исправить

Автор ответа: pavlechkoan

420:7=60 км/ч скорость поезда
360:3=120 км/ч скорость электрички
120/60=2 в два раза скорость электрички больше скорости товарного поезда

йолопу: Спаисбо;)

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