90 is what percent of 630? (What percent of 630 is 90?)

90 is what percent of 630?

The question here is "90 is what percent of 630?" which is the same as "What percent of 630 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 630 equals 90.

The problem is therefore x% of 630 = 90 which can be written as a function:

		x ∗ 630
		100

= 90

And when we solve the function above for x, we get 14.286. The answer to "90 is what percent of 630?" is therefore:

14.286%

How can we know the answer is correct? We know the answer is correct because 14.286 percent of 630 is 90.

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