SOLUTION: An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing 100 grams of an alloy that contains 28% copper with 28 grams of pure copper. How many grams of

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Question 995989: An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing
100 grams of an alloy that contains 28% copper with 28 grams of pure copper.
How many grams of copper is in the resulting mixture?
What percent of the resulting mixture is copper?

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
100%2A0.28%2B28=56, grams of copper.

The resulting alloy mass is 128 grams.