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Mathematics, 23.11.2020 01:50 Mw3spartan17
A coin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. What percent of the metal in the coin is copper?
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A coin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. What perce...
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