Answer: Proportional
Explanation:
To check if this table is proportional or not, we will we will divide the y values by the x values and check to see if they all have the same ratio. If they do, this is proportional.
5 / 2.5 = 2
10 / 5 = 2
15 / 7.5 = 2
30 / 15 = 2
2 = 2 = 2 = 2, this table is proportional ✓