90 is what percent of 415? (What percent of 415 is 90?)

90 is what percent of 415?

The question here is "90 is what percent of 415?" which is the same as "What percent of 415 is 90?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 415 equals 90.

The problem is therefore x% of 415 = 90 which can be written as a function:

		x ∗ 415
		100

= 90

And when we solve the function above for x, we get 21.687. The answer to "90 is what percent of 415?" is therefore:

21.687%

How can we know the answer is correct? We know the answer is correct because 21.687 percent of 415 is 90.

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