The tables show the number of plants and the number of flowers. Which table represents a proportional relationship?
Number of Plants | 12 | 18 | 24 |
Number of Flowers | 24 | 30| 36 |
Number of Plants | 2 | 4 | 6 |
Number of Flowers | 8 | 10 | 12 |
Number of Plants | 5 | 10 | 15 |
Number of Flowers | 0 | 12 | 18 |
Number of Plants | 7 | 14 | 21 |
Number of Flowers | 21 | 42 | 63 |