15 is what percent of 138? (What percent of 138 is 15?)

15 is what percent of 138?

The question here is "15 is what percent of 138?" which is the same as "What percent of 138 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 138 equals 15.

The problem is therefore x% of 138 = 15 which can be written as a function:

		x ∗ 138
		100

= 15

And when we solve the function above for x, we get 10.87. The answer to "15 is what percent of 138?" is therefore:

10.87%

How can we know the answer is correct? We know the answer is correct because 10.87 percent of 138 is 15.

What Percent Calculator
Here you can calculate a similar problem:

15 is what percent of 139?
Go here for the next word problem that we solved.