A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams. What percent of the metal in the coin is copper?(Ignore the % symbol when entering your answer. For example, if the answer is 11%, enter 11 .)
Q. A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams. What percent of the metal in the coin is copper?(Ignore the % symbol when entering your answer. For example, if the answer is 11%, enter 11 .)
Calculate Percentage: To find the percentage of copper in the coin, we need to divide the weight of the copper by the total weight of the coin and then multiply by 100 to convert it to a percentage.Calculation: (Weight of copper/Total weight of coin)×100Math error check:
Given Values: We have the weight of copper as 3.75 grams and the total weight of the coin as 5 grams.Substitute the values into the formula: (3.75/5)×100Math error check:
Division Calculation: Perform the division: 3.75/5=0.75Math error check:
Multiply Result: Now, multiply the result by 100 to find the percentage: 0.75×100=75Math error check:
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