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A coin contains 9 grams of nickle and 16 grams of copper, for a total weight if 25 grams. What percentage of metal in the coin is copper?

A coin contains 9 grams of nickle and 16 grams of copper, for a total weight if 25 grams. What percentage of metal in the coin is copper?
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3 votes
A coin contains 9 grams of nickle and 16 grams of copper, for a total weight if 25 grams. What percentage of metal in the coin is copper?

User Bisarch
by
7.8k points

1 Answer

4 votes

Answer:

64%

Explanation:

16\25=.64

.64=64%

User Vadim Ponomarev
by
8.2k points
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