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? %

Identify Weight: Identify the total weight of the coin and the weight of the copper in the coin. Total weight of the coin: 25 grams Weight of copper in the coin: 16 grams We need to find out what percentage of the total weight is made up by the copper.Calculate Percentage: Calculate the percentage of the coin that is made up of copper. Percentage of copper = (Weight of copper / Total weight of the coin) × 100% Percentage of copper = (16 / 25) × 100%Perform Division: Perform the division and multiplication to find the percentage. Percentage of copper = 0.64 × 100% Percentage of copper = 64%

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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?

%

A coin contains $9$ grams of nickel and $16$ grams of copper, for a total weight of $25$ grams. $\newline$ What percentage of the metal in the coin is copper? $\newline$ $\%$

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Q. A coin contains

9

grams of nickel and

16

grams of copper, for a total weight of

25

grams.

\newline

What percentage of the metal in the coin is copper?

\newline

\%

Identify Weight: Identify the total weight of the coin and the weight of the copper in the coin. $\newline$ Total weight of the coin: $25$ grams $\newline$ Weight of copper in the coin: $16$ grams $\newline$ We need to find out what percentage of the total weight is made up by the copper.
Calculate Percentage: Calculate the percentage of the coin that is made up of copper. $\newline$ Percentage of copper = $(\frac{\text{Weight of copper}}{\text{Total weight of the coin}}) \times 100\%$ $\newline$ Percentage of copper = $(\frac{16}{25}) \times 100\%$
Perform Division: Perform the division and multiplication to find the percentage. $\newline$ Percentage of copper = $0.64 \times 100\%$ $\newline$ Percentage of copper = $64\%$