90 is what percent of 20?

Answer: 90 of 20 is 450%

Let's see how we can calculate this percentage: 90 is what percent of 20? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 90\)
• \(Y = 20\)
• Percentage calculation = \(90 \over 20 \) = \(4.5\)

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

\(4.5\) = \(450 \over 100 \) = \(450\%\)

\(Answer: \) 90 of 20 is 450%

90 is what percent of 20? 450 percent.

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