ABSTRACT
Four people get more than 2 pizzas, so they cannot be sitting at a table where 5 people share 2 pizzas.
12. If 5 people shared 2 pizzas, then 30 would share 12. If 5 share 1 cheese pizza, then 30 would share 6. So there must have been 12 veggie pizzas and 6 cheese pizzas.
