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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...
5 months ago
Q:
A coin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. What percentage of the metal in the coin is copper?
Accepted Solution
A:
To find the percentage, we take the amount of copper and divide it by the total weight. In this case, there are 16 grams of copper.Β
16/25 is 0.64.
The answer is 64 percent.