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 co
2 answers:
Answer:
<h2>The coin has 64% of copper</h2>Step-by-step explanation:
To find the percentage of copper that the coin has, we just have to divide the grams of the copper with the total grams of the coin, that will gives us the percentage representation of the copper
Therefore, the coin has 64% of copper and 35% of nickel.
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Answer:
x = 4
Explanation:
Given the expression;
Add 4 to both sides
Square both sides
Hence the value of x is 4