Предмет: Математика, автор: renata17523

1. В сплаве, масса которого равна 250 кг, содержится 20 кг меди. Во
сколько раз масса сплава больше, чем масса меди, содержащейся
в нём? Какую часть сплава составляет медь?
с решением!!! ​

Ответы

Автор ответа: ZloyZlatan
0

250 / 20 = 12,5 раз.  масса сплава больше меди

Для определения части меди в данном сплаве, делим массу меди на вес сплава.

20 / 250 = 2/25 часть.

Знчит процент меди в сплаве равен:

2/25 * 100% = 200 / 25 = 8%.

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