Emily and how are selling wrapping paper for a school fundraiser. customers can buy rolls of plain wrapping paper and rolls of holiday wrapping paper. emily sold 14 rolls of plain wrapping paper and 6 rolls of holiday wrapping paper for a total of $248. joe sold 10 rolls of plain wrapping paper and 12 rolls of holiday wrapping paper for a total of $316. find the cost each of one roll of plain wrapping paper and one roll of holiday wrapping paper.