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Mathematics, 07.01.2021 05:00 jessiegarrison1

A coin contains 9 grams of nickel and 16 grams of Copper, for a total of 25 grams. What percentage of the metal is copper?

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A coin contains 9 grams of nickel and 16 grams of Copper, for a total of 25 grams. What percentage o...
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