20 is what percent of 398? (What percent of 398 is 20?)

20 is what percent of 398?

The question here is "20 is what percent of 398?" which is the same as "What percent of 398 is 20?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 398 equals 20.

The problem is therefore x% of 398 = 20 which can be written as a function:

		x ∗ 398
		100

= 20

And when we solve the function above for x, we get 5.025. The answer to "20 is what percent of 398?" is therefore:

5.025%

How can we know the answer is correct? We know the answer is correct because 5.025 percent of 398 is 20.

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