How many slabs of ribs need to feed 75 people?

The number of slabs of ribs needed to feed 75 people depends on portion sizes and appetites, but a general guideline is about half a slab per person. This means you would need approximately 38 to 40 slabs of ribs to adequately feed 75 people, taking into account that some may eat less and others more. Additionally, serving side dishes can help stretch the meal further.