To find 15% of 280, follow these steps:

1. Convert the percentage to a decimal by dividing by 100:
   \[
   15\% = \frac{15}{100} = 0.15
   \]

2. Multiply the decimal by the number:
   \[
   0.15 \times 280
   \]

3. Perform the multiplication:
   \[
   0.15 \times 280 = 42
   \]

So, 15% of 280 is 42.

Would you like more details or have any questions? Here are some related questions you might find useful:

1. How do you calculate percentages in general?
2. What is 20% of 150?
3. How do you convert a percentage to a fraction?
4. What is the percentage increase from 200 to 240?
5. How do you find the original number if you know the percentage and the result?

**Tip:** When calculating percentages, remember to always convert the percentage to a decimal before performing the multiplication.

Learn how to calculate 15% of 280 with a detailed step-by-step solution. This problem covers basic percentage calculations, including converting percentages to decimals and multiplying. Suitable for students in Grades 5-6.

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