Answer:
See Explanation
Step-by-step explanation:
Given

Required
Which graph shows: 
To do this, we simply check the intersection points of the lines on the graph.
This particular graph that is shown has
as its solution because the point of intersection of both lines is at: 
i.e.


It would be 3.25 cups
Since there is 2.5 cups for 10 servings then 0.25 per serving multiply that by 13 servings and you get 3.25.So it would be 3.25 cups for 13 servings
The correct answer is C.88 ft ^2