Предмет: Математика, автор: даша2711

решите задачу:от пристани Марьино к пристани Алёшино отправился теплоход со скоростью 24км./ч. а за 24часа до него в этом же направлении вышел буксир с баржами со скоростью 8км./ч. Найди расстояние между пристанями ,если теплоход и буксир прибыли к пристани Алёшино одновременно.

Ответы

Автор ответа: Злая123
0

х час. -был в пути теплоход       

(24+х) час. - был в пути буксир

24х - путь, пройденный теплоходом

8(24+х) - путь, пройденный буксиром, т.к. они прошли один и тот же путь, то 24х=8(24+х)

24х-8х=192

16х=192

х=12 час. ( был в пути теплоход)

12*24= 288 км - расстояние между пристанями 

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