Предмет: Математика, автор: baxtiyarovnurmuxamma

417. В двух рулонах 1080 м ткани. В первом рулоне в 3 раза больше ткани, чем во втором. Сколько ткани в каждом рулоне?

Ответы

Автор ответа: iramazurk
152

Ответ:

Пошаговое объяснение:

Всего : 1080 м

2 рулон - х метров

1 рулон - 3х метров

х + 3х = 1080

4х = 1080

х = 1080 : 4

х = 270

2 рулон (х) - 270 м

1 рулон (3х) = 3 * 270 = 810 м

270 + 810 = 1080


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