25 is what percent of 129? (What percent of 129 is 25?)

25 is what percent of 129?

The question here is "25 is what percent of 129?" which is the same as "What percent of 129 is 25?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 129 equals 25.

The problem is therefore x% of 129 = 25 which can be written as a function:

		x ∗ 129
		100

= 25

And when we solve the function above for x, we get 19.38. The answer to "25 is what percent of 129?" is therefore:

19.38%

How can we know the answer is correct? We know the answer is correct because 19.38 percent of 129 is 25.

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