Elisa and Julia are selling flower bulbs for a school fundraiser. Customers can buy bags of windflower bulbs and packages of crocus bulbs. Elisa sold 3 bags of windflower bulbs and 3 packages of crocus bulbs for a total of $48. Julia sold 9 bags of windflower bulbs and 11 packages of crocus bulbs for a total of $166. What is the cost of each of one bag of windflower bulbs and one package of crocus bulbs?