Answer:
It is the last option.
Jordan needs 1 1/2 cups of diced chicken for 3 salads.
To make this easy for you.
1. start on the x axis which is number of salads.
2. Go to the number 3 (of the x axis which is the number of salads)
3. Find your way up to the point marked.
4. see what is your number in the y-axis (in this case it is 1 1/2.
Explanation:
I hope it helps!