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Mathematics, 04.08.2019 22:00 bhaddieraven

Acoin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. what percentage of the metal in the coin is copper?

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Acoin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. what percen...

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