maria and norachai are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of holiday wrapping paper. Maria sold 14 rolls of plain wraping paper and 2 rolls of holiday wrapping paper for a total of $258. Norachai sold 6 rolls of plain wrapping paper and 12 rolls of holiday wrapping paper for a total of $300. What is the cost each of the roll of plain wrapping [aer and one roll of holiday wrapping paper