(a)　How many pizzas will each people receive if 1 pizza is divided among: [br]　　(i) 2 people; 　(ii) 3 people;　(iii) 4 people?[br][br](b)　How many pizzas will each people receive if each of the following numbers of pizzas are divided among 3 people?[br]　　(i) 2 pizzas 　(ii) 4 pizzas　(iii) 5 pizzas[br][br]In general, how would you calculate a ÷ b ?