Предмет: Математика, автор: marina070419895

Помогите решить задачу 9... Пожалуйста!!!

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Автор ответа: Tinochka18

18-8=10 ч - время в пути
960÷10=96 км/ч - общая скорость
96-40=56 км/ч - скорость 1го

marina070419895: Откуда здесь 18?????

Tinochka18: 6ч вечера это 18.00

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