How many cans of collard greens to feed 200 people?

To determine how many cans of collard greens to feed 200 people, you typically estimate about ½ cup of collard greens per person. A standard can of collard greens usually contains about 3.5 cups. Therefore, you would need approximately 29 cans (200 people x 0.5 cups = 100 cups; 100 cups ÷ 3.5 cups per can ≈ 29 cans).