30 is what percent of 7? (What percent of 7 is 30?)

30 is what percent of 7?

The question here is "30 is what percent of 7?" which is the same as "What percent of 7 is 30?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 7 equals 30.

The problem is therefore x% of 7 = 30 which can be written as a function:

		x ∗ 7
		100

= 30

And when we solve the function above for x, we get 428.571. The answer to "30 is what percent of 7?" is therefore:

428.571%

How can we know the answer is correct? We know the answer is correct because 428.571 percent of 7 is 30.

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