| 1. | 3 | | | | | | | 45 20 | 38 | 2. | | | | | | | | | | | | 3. 25 | 5L | 8 9 L | 7 | 30% | 50% | | | 25 200 | | | | | | | | | 100 120 | 140 | | 4. | | | | | | | | | 2 | | | | | | | | |