How to work it out
80% of 80 = 80 × 0.8 = 64
A percent means "per hundred", so 80% is 80/100, or 0.8. Multiply 80 by 0.8 to get 64. A quick mental shortcut: 10% of 80 is 8, so 80% is 8 × 8 = 64.
Related answers
- 80 plus 80% = 144 (an increase of 64)
- 80 minus 80% = 16, the price after a 80% discount
- 64 is 80% of 80, and 80 is 125% of 64
- If 80 is 80% of a number, that number is 100
Other percentages of 80
| Percent | Answer |
|---|---|
| 1% of 80 | 0.8 |
| 5% of 80 | 4 |
| 10% of 80 | 8 |
| 15% of 80 | 12 |
| 20% of 80 | 16 |
| 25% of 80 | 20 |
| 30% of 80 | 24 |
| 40% of 80 | 32 |
| 50% of 80 | 40 |
| 60% of 80 | 48 |
| 70% of 80 | 56 |
| 75% of 80 | 60 |
| 90% of 80 | 72 |
| 100% of 80 | 80 |
80% of other numbers
| Question | Answer |
|---|---|
| 80% of 20 | 16 |
| 80% of 50 | 40 |
| 80% of 60 | 48 |
| 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 |