21 is what percent of 40?

Answer: 21 of 40 is 52.5%

Let's see how we can calculate this percentage: 21 is what percent of 40? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

\(\text{Percentage calculation}\) = \({X \over Y}\)

• \(X = 21\)
• \(Y = 40\)
• Percentage calculation = \(21 \over 40 \) = \(0.525\)

Step 2: A percentage is a number or ratio expressed as a fraction of 100.

\(0.525\) = \(52.5 \over 100 \) = \(52.5\%\)

\(Answer: \) 21 of 40 is 52.5%

21 is what percent of 40? 52.5 percent.

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