66 is what percent of 312? (What percent of 312 is 66?)

66 is what percent of 312?

The question here is "66 is what percent of 312?" which is the same as "What percent of 312 is 66?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 312 equals 66.

The problem is therefore x% of 312 = 66 which can be written as a function:

		x ∗ 312
		100

= 66

And when we solve the function above for x, we get 21.154. The answer to "66 is what percent of 312?" is therefore:

21.154%

How can we know the answer is correct? We know the answer is correct because 21.154 percent of 312 is 66.

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