15 is what percent of 64? (What percent of 64 is 15?)

15 is what percent of 64?

The question here is "15 is what percent of 64?" which is the same as "What percent of 64 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 64 equals 15.

The problem is therefore x% of 64 = 15 which can be written as a function:

		x ∗ 64
		100

= 15

And when we solve the function above for x, we get 23.438. The answer to "15 is what percent of 64?" is therefore:

23.438%

How can we know the answer is correct? We know the answer is correct because 23.438 percent of 64 is 15.

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