How to work it out
80% of 20 = 20 × 0.8 = 16
A percent means "per hundred", so 80% is 80/100, or 0.8. Multiply 20 by 0.8 to get 16. A quick mental shortcut: 10% of 20 is 2, so 80% is 2 × 8 = 16.
Related answers
- 20 plus 80% = 36 (an increase of 16)
- 20 minus 80% = 4, the price after a 80% discount
- 16 is 80% of 20, and 20 is 125% of 16
- If 20 is 80% of a number, that number is 25
Other percentages of 20
| Percent | Answer |
|---|---|
| 1% of 20 | 0.2 |
| 5% of 20 | 1 |
| 10% of 20 | 2 |
| 15% of 20 | 3 |
| 20% of 20 | 4 |
| 25% of 20 | 5 |
| 30% of 20 | 6 |
| 40% of 20 | 8 |
| 50% of 20 | 10 |
| 60% of 20 | 12 |
| 70% of 20 | 14 |
| 75% of 20 | 15 |
| 90% of 20 | 18 |
| 100% of 20 | 20 |
80% of other numbers
| Question | Answer |
|---|---|
| 80% of 50 | 40 |
| 80% of 60 | 48 |
| 80% of 80 | 64 |
| 80% of 100 | 80 |
| 80% of 150 | 120 |
| 80% of 200 | 160 |
| 80% of 250 | 200 |
| 80% of 500 | 400 |
| 80% of 1,000 | 800 |