Answer:
N = 40S
Explanation:
Number of cookies made = 40 times the number of cups of sugar.
Example:
N = 120, S = ?. How much sugar was used?
120 = 40S
3 = S
Graph:
Plot point 1 at (0,0) because 0 cups of sugar is 0 cookies.
Plot points then at (40,1), (80,2) etc. Then draw a line.
Hope that helps