PLS HELP WILL GIVE BRAINLIEST IF PERSON ANSWERS WITHIN 5 MINUTES

Answer:
The answer is 2. Drag that in from the bottom to the right.
Step-by-step explanation:
Th constant of proportionality is how much of y is equal to x. Like a 1 cup of soda and two cups and orange juice to make a favorite drink. The constant of proportionality that would equal to one is two.