| 1 | ÷ | 80 | = | 0.0125 |
| 2 | ÷ | 80 | = | 0.025 |
| 3 | ÷ | 80 | = | 0.0375 |
| 4 | ÷ | 80 | = | 0.05 |
| 5 | ÷ | 80 | = | 0.0625 |
| 6 | ÷ | 80 | = | 0.075 |
| 7 | ÷ | 80 | = | 0.0875 |
| 8 | ÷ | 80 | = | 0.1 |
| 9 | ÷ | 80 | = | 0.1125 |
| 10 | ÷ | 80 | = | 0.125 |
| 11 | ÷ | 80 | = | 0.1375 |
| 12 | ÷ | 80 | = | 0.15 |
| 13 | ÷ | 80 | = | 0.1625 |
| 14 | ÷ | 80 | = | 0.175 |
| 15 | ÷ | 80 | = | 0.1875 |
| 16 | ÷ | 80 | = | 0.2 |
| 17 | ÷ | 80 | = | 0.2125 |
| 18 | ÷ | 80 | = | 0.225 |
| 19 | ÷ | 80 | = | 0.2375 |
| 20 | ÷ | 80 | = | 0.25 |