90 is what percent of 231? (What percent of 231 is 90?)

90 is what percent of 231?

The question here is "90 is what percent of 231?" which is the same as "What percent of 231 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 231 equals 90.

The problem is therefore x% of 231 = 90 which can be written as a function:

		x ∗ 231
		100

= 90

And when we solve the function above for x, we get 38.961. The answer to "90 is what percent of 231?" is therefore:

38.961%

How can we know the answer is correct? We know the answer is correct because 38.961 percent of 231 is 90.

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