Mathematics, 02.07.2019 07:00 jasonoliva13

Acoin contains 9 99 grams of nickel and 1 6 1616 grams of copper, for a total weight of 2 5 2525 grams. what percentage of the metal in the coin is copper?

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Acoin contains 9 99 grams of nickel and 1 6 1616 grams of copper, for a total weight of 2 5 2525 gra...