45 is what percent of 9? (What percent of 9 is 45?)

45 is what percent of 9?

The question here is "45 is what percent of 9?" which is the same as "What percent of 9 is 45?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 9 equals 45.

The problem is therefore x% of 9 = 45 which can be written as a function:

		x ∗ 9
		100

= 45

And when we solve the function above for x, we get 500. The answer to "45 is what percent of 9?" is therefore:

500%

How can we know the answer is correct? We know the answer is correct because 500 percent of 9 is 45.

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