A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams. What percentage of the metal in the coin is co

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A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams. What percentage of the metal in the coin is copper?

Guest May 21, 2014

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Best Answer

3.75 grams of copper / 5 total grams =

.75 = 75%

CPhill May 21, 2014

CPhill · Answer 1 · 2014-05-21T05:47:02

3.75 grams of copper / 5 total grams =

.75 = 75%