To find 80% of 25, you multiply 25 by 0.8:

$25 \times 0.8 = 20$

So, 80% of 25 is 20.

Would you like more details or have any questions?

Here are some related questions:

1. What is 60% of 50?
2. How do you calculate a percentage increase from 25 to 40?
3. What is 120% of 25?
4. How do you express 25 as a percentage of 80?
5. What is the percentage decrease from 30 to 25?

Tip: To calculate a percentage of any number, multiply the number by the percentage in its decimal form (e.g., 80% = 0.8).