25 is what percent of 639? (What percent of 639 is 25?)

25 is what percent of 639?

The question here is "25 is what percent of 639?" which is the same as "What percent of 639 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 639 equals 25.

The problem is therefore x% of 639 = 25 which can be written as a function:

		x ∗ 639
		100

= 25

And when we solve the function above for x, we get 3.912. The answer to "25 is what percent of 639?" is therefore:

3.912%

How can we know the answer is correct? We know the answer is correct because 3.912 percent of 639 is 25.

What Percent Calculator
Here you can calculate a similar problem:

25 is what percent of 640?
Go here for the next word problem that we solved.