Предмет: Математика, автор: Anorelia

Когда туристы проехали 2/5 всего маршрута и еще 27 км, им осталось проехать 1/3 всего маршрута и еще 13 км. Какое расстояние туристы должны были проехать по маршруту?

Ответы

Автор ответа: Аноним

0

2/5X + 27 + 1/3X + 13 = X
40 = X - 2/5X - 1/3X
40 = X - 6/15X - 5/15X
40 = X - 11/15X
4/15X = 40
4X = 600
X = 150 ( км )
Ответ 150 км

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