What is 90 percent of 21.3?

Answer: 90% of 21.3 is 19.17.

You want to know the answer to this question: what is 90 percent of 21.3? 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:

\(\text{Percentage of a value}\) = \(X \cdot P\%\)

• \(X = 21.3\)
• \(P\% = 90\%\) = \(90 \over 100 \) = \(0.9\)

\(Answer: 21.3 \cdot 90\%\) = \(21.3 \cdot 0.9\) = \(19.17\)

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