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What is 21 percent of 87?
Answer: 21% of 87 is 18.27.
You want to know the answer to this question: what is 21 percent of 87? Here is a very simple step-by-step guide to find out.
Step 1: A percentage is a number or ratio expressed as a fraction of 100.
\(21\%\) = \(21 \over 100 \) = \(0.21\)
Step 2: We use the following formula:
\(\text{Percentage of a value}\) = \(X \cdot P\%\)
• \(X = 87\)
• \(P\% = 21\%\) = \(21 \over 100 \) = \(0.21\)
\(Answer: 87 \cdot 21\%\) = \(87 \cdot 0.21\) = \(18.27\)
• \(X = 87\)
• \(P\% = 21\%\) = \(21 \over 100 \) = \(0.21\)
\(Answer: 87 \cdot 21\%\) = \(87 \cdot 0.21\) = \(18.27\)
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