Answer:
D. ÷ 3
Explanation:
We can use any numbers for x to see what would happen to y:
If x was 5, y would be 1 (because 5 ÷ 5 = 1). Now, if we tripled x and made it 15 (5 × 3 = 15), y would be 1/3 (because 5 ÷ 15 = 1/3).
This means that the value of y divides by 3, option D
Hope this helps!