Kayla and Shawna are selling fruit for a school fundraiser. Customers can buy small boxes of tangerines and large boxes of tangerines. Kayla sold 7 small boxes of tangerines and 4 large boxes of tangerines for a total of $166. Shawna sold 7 small boxes of tangerines and 3 large boxes of tangerines for a total of $ 149. Find the cost each of one small box of tangerines and one large box of tangerines.
