What is 15% of 200?

To find 15% of 200, start by expressing 15% as a decimal. This is done by dividing 15 by 100, which gives you 0.15. Next, multiply this decimal by 200 to find the amount that represents 15% of the total.

So the calculation looks like this:

0.15 × 200 = 30.

This shows that 15% of 200 is indeed 30. Therefore, the correct choice accurately represents the result of this multiplication. Understanding how to convert percentages to decimals and applying them in calculations is a fundamental skill in mathematics, especially when dealing with percentages in various contexts.