20 is what percent of 280
Understand the Problem
The question is asking what percentage 20 is of 280. To solve this, we can use the formula (part/whole) * 100 to find the percentage.
Answer
$7.14\%$
Answer for screen readers
The final answer is approximately $7.14%$.
Steps to Solve

Identify the part and the whole The part is 20 and the whole is 280.

Set up the percentage formula Use the formula to calculate the percentage:
$$ \text{Percentage} = \left( \frac{\text{part}}{\text{whole}} \right) \times 100 $$
 Plug in the values Substituting the known values into the formula:
$$ \text{Percentage} = \left( \frac{20}{280} \right) \times 100 $$
 Calculate the fraction First, divide 20 by 280:
$$ \frac{20}{280} = \frac{1}{14} $$
 Multiply by 100 to find the percentage Now multiply the result by 100:
$$ \text{Percentage} = \left( \frac{1}{14} \right) \times 100 \approx 7.14 $$
The final answer is approximately $7.14%$.
More Information
This percentage means that 20 is about 7.14% of 280. Percentages are a way to express numbers as a fraction of 100, making it easier to understand proportions in a variety of contexts.
Tips
 Not converting correctly: Sometimes a common mistake is forgetting to multiply by 100 after dividing. Always remember to follow the formula properly.
 Simplifying the fraction incorrectly: Make sure to simplify your fraction accurately before multiplying.