87 is what percent of 510? (What percent of 510 is 87?)

87 is what percent of 510?

The question here is "87 is what percent of 510?" which is the same as "What percent of 510 is 87?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 510 equals 87.

The problem is therefore x% of 510 = 87 which can be written as a function:

		x ∗ 510
		100

= 87

And when we solve the function above for x, we get 17.059. The answer to "87 is what percent of 510?" is therefore:

17.059%

How can we know the answer is correct? We know the answer is correct because 17.059 percent of 510 is 87.

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