30 is what percent of 648? (What percent of 648 is 30?)

30 is what percent of 648?

The question here is "30 is what percent of 648?" which is the same as "What percent of 648 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 648 equals 30.

The problem is therefore x% of 648 = 30 which can be written as a function:

		x ∗ 648
		100

= 30

And when we solve the function above for x, we get 4.63. The answer to "30 is what percent of 648?" is therefore:

4.63%

How can we know the answer is correct? We know the answer is correct because 4.63 percent of 648 is 30.

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