Предмет: Математика, автор: ovsipyn

В 15 ч со станции вышел электропоезд со скоростью 80км/ч, а через 1 час с той же станции вслед за ним вышел второй электропоезд со скоростью 75км/ч. Какое расстояние будет между ними в 18 часов того же дня?

Ответы

Автор ответа: ZaXoD
0
18-15=3 время  пути первого 
18-16=2 время  пути второго 
3*80=240 расстояние - первый электропоезд 
2*75=150 расстояние- второй электропоезд 
240-150=90 (км) расстояние между ними в 18 часов того же дня (ответ)
Автор ответа: ovsipyn
0
СПС
Автор ответа: Дaшоk
0
огромное спасибо!!!!!
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