Find the original price of each item round your answer to the nearest dollar ?
1 answer:
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Option B is correct.
Step-by-step explanation:
We need to solve:
We know that:
Applying the above rule:
So, Option B is correct.
Keywords: Solving with Exponents
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So,
To find the percentage that the copper comprises, just divide the amount of copper by the total amount of metal in the coin. In this case, we will change the denominator so that it is 100, which can easily be converted into a percentage, which is really just a fraction out of 100.
75%
75% of the metal in the coin is copper.
To find the percentage that the copper comprises, just divide the amount of copper by the total amount of metal in the coin. In this case, we will change the denominator so that it is 100, which can easily be converted into a percentage, which is really just a fraction out of 100.
75%
75% of the metal in the coin is copper.