Mathematics, 04.08.2019 01:30 isabellesmith51317

Ametal alloy weighing 3 mg and containing 40% copper is melted and mixed with 2 mg of pure copper. what percent of the resulting allot is copper?

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Ametal alloy weighing 3 mg and containing 40% copper is melted and mixed with 2 mg of pure copper. w...

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