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| 1lb = –ñ0.45‚‹‚‡�i‹“x�j | ||
| ƒ|ƒ“ƒh �ilb�j |
ƒSƒE �i�†�j |
‚‹‚‡ �i‹“x�j |
| 2 | 0.9 | 1 |
| 3 | 0.8 | 1.5 |
| 4 | 1 | 2 |
| 5 | 1.2 | 2.5 |
| 6 | 1.5 | 3 |
| 8 | 2 | 4 |
| 10 | 2.5 | 4.5 |
| 12 | 3 | 6 |
| 14 | 3.5 | 6.3 |
| 16 | 4 | 7.2 |
| 20 | 5 | 10 |
| 25 | 7 | 11 |
| 30 | 8 | 15 |
| 35 | 10 | 15.8 |
| 40 | 12 | 20 |