How much is 15% of 200?

To find 15% of 200, start by converting the percentage into a decimal. This is done by dividing 15 by 100, which gives you 0.15. Next, multiply this decimal by the number you want to find the percentage of, which in this case is 200.

So, you would calculate:

0.15 × 200 = 30.

This shows that 15% of 200 is indeed 30. Understanding this calculation involves recognizing that percentages are a way of expressing a number as a fraction of 100, and by converting it to a decimal, you can easily perform the multiplication. Thus, the answer is 30, confirming the correct choice.