How is 30 divided into 100 expressed as a percentage?

Perceent means parts out of 100
x%=x/100

30/100=30%

The correct answer is 30%. Any percentage number out of 100 is the original number. If you're having trouble remembering this, just set up a proportion like you would for any other percentage problem.

30 / 100 = x / 100   In this proportion, we're trying to find the percent out of 100 that 30 divided into 100 is. This is represented by the variable x.
3000 = 100x   Cross-multiply 30 and 100.
30 = x   Divide.

So, x, the percentage that 30 divided into 100 is out of 100, is 30, meaning that 30 is 30% of 100.

Hope this helps!

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