| 1. | | | 1 | 28 30 2 24 26 3 21 | 24 4 16 20 | | | | | | | | | 2. | | | 1 60% 2 50% | | 3. | | 20 30 30 | 50 2 | 10 15 15 25 | 3 7 10 | 10 15 | | | |