Предмет: Математика, автор: 333333333555555555

Из одного города в другой, расстояние между которыми меньше 300 км, выехал поезд. Через 3 часа ему осталось проехать еще 45 км. ОЦЕНИТЕ СКОРОСТЬ ПОЕЗДА! ПЛИЗЗЗ ОЧ НАДО

Ответы

Автор ответа: LanaB

300 - 45=245 км проехал

245/ 3ч-85 км/ч

Автор ответа: Ogami

узнаем, сколько поезд поехал за 3 часа:

1)300-45=255 км

узнаем скорость поезда:

2)255:3=85 км/ч.

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