moniramos33 moniramos33

24-08-2022
Mathematics

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An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing 120 grams of an alloy that contains 42% copper with 200 grams of pure copper.
Answer the questions below. Do not do any rounding.
(a) How many grams of copper are in the resulting mixture?
(b) What percentage of the resulting mixture is copper?

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