How much garlic bread to feed 120?

To feed 120 people, you would typically estimate about 1-2 slices of garlic bread per person, depending on the meal and other side dishes. Therefore, you would need approximately 120 to 240 slices of garlic bread. If each loaf contains around 8 slices, you'd require about 15 to 30 loaves. Adjust based on your guests' preferences and appetite!