johnsoncol79 johnsoncol79

16-11-2016
Mathematics

contestada

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

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javyb13 javyb13

16-11-2016

3.75 grams of copper / 5 total grams =

.75 = 75%

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