What is % of ?
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What is 90 percent of 645?
Answer: 90% of 645 is 580.5.
You want to know the answer to this question: what is 90 percent of 645? 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.
\(90\%\) = \(90 \over 100 \) = \(0.9\)
Step 2: We use the following formula:
\(\text{Percentage of a value}\) = \(X \cdot P\%\)
• \(X = 645\)
• \(P\% = 90\%\) = \(90 \over 100 \) = \(0.9\)
\(Answer: 645 \cdot 90\%\) = \(645 \cdot 0.9\) = \(580.5\)
• \(X = 645\)
• \(P\% = 90\%\) = \(90 \over 100 \) = \(0.9\)
\(Answer: 645 \cdot 90\%\) = \(645 \cdot 0.9\) = \(580.5\)
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