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?

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asked Nov 4, 2020 213k views

2 votes

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?

Mathematics
middle-school

StephenD asked

by StephenD

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2 Answers

5 votes

Answer:

64%

Explanation:

100×16=1600

=1600÷25

=64

=64 + %

=64%

Maxwell Segal answered Nov 6, 2020

by Maxwell Segal

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0 votes

Answer:

64%

Explanation:

Yogie answered Nov 8, 2020

by Yogie

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