| 9. The rule says this: |
| regardless of its neighbors, every dead cell becomes alive, and |
| regardless of its neighbors, every live cell dies. |
| Generation 1 has 24 live cells. |
| Generation 2 has 100 - 24 = 76 live cells. |
| Generation 3 has 100 - 76 = 24 live cells. |
| Generation 4 has 100 - 24 = 76 live cells. |
| Generation 5 has 100 - 76 = 24 live cells. |
| We see every even-numbered generation has 76 live cells and every odd-numbered generation has 24 live cells. |
| Consequently, generation 50 has 76 live cells. |
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