15 is what percent of 209? (What percent of 209 is 15?)

15 is what percent of 209?

The question here is "15 is what percent of 209?" which is the same as "What percent of 209 is 15?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 209 equals 15.

The problem is therefore x% of 209 = 15 which can be written as a function:

		x ∗ 209
		100

= 15

And when we solve the function above for x, we get 7.177. The answer to "15 is what percent of 209?" is therefore:

7.177%

How can we know the answer is correct? We know the answer is correct because 7.177 percent of 209 is 15.

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