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A coin contains 9 grams of nickel and 161616 grams of copper, for a total weight of 25 grams. What percentage of the metal in the coin is copper?
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4 votes
A coin contains 9 grams of nickel and 161616 grams of copper, for a total weight of 25 grams.

What percentage of the metal in the coin is copper?

User Mikel F
by
8.6k points

1 Answer

1 vote

Answer:

64percents

Explanation:

25-9=16 grams - weight of copper

(16/25)*100=64 percents

User Dale Ragan
by
7.3k points
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