Предмет: Математика, автор: kazaryananita2

Вес мотка проволоки 4 кг.Вес каждого дециметра проволоки 8 г.Найти длину проволоки?

Ответы

Автор ответа: koingrel

4 кг = 4000 г
1 дм = 10 см
4000/8 * 10 = 5000 см = 50 м - длина проволоки

Ответ: 50 м

Автор ответа: SweetLess

4 кг надо перевести в граммы = 4 * 1000 = 4000 грамм, известно что 1 дм = 8 граммам, значит 4000 / 8 = 500 дм, 1 дм = 10 см = 5000 см = 50 метров

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