How to work it out
5% of 20 = 20 × 0.05 = 1
A percent means "per hundred", so 5% is 5/100, or 0.05. Multiply 20 by 0.05 to get 1. A quick mental shortcut: 10% of 20 is 2, so 5% is 2 × 0.5 = 1.
Related answers
- 20 plus 5% = 21 (an increase of 1)
- 20 minus 5% = 19, the price after a 5% discount
- 1 is 5% of 20, and 20 is 2,000% of 1
- If 20 is 5% of a number, that number is 400
Other percentages of 20
| Percent | Answer |
|---|---|
| 1% of 20 | 0.2 |
| 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 |
| 80% of 20 | 16 |
| 90% of 20 | 18 |
| 100% of 20 | 20 |
5% of other numbers
| Question | Answer |
|---|---|
| 5% of 50 | 2.5 |
| 5% of 60 | 3 |
| 5% of 80 | 4 |
| 5% of 100 | 5 |
| 5% of 150 | 7.5 |
| 5% of 200 | 10 |
| 5% of 250 | 12.5 |
| 5% of 500 | 25 |
| 5% of 1,000 | 50 |