Chloe and Eduardo are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of holiday wrapping paper. Chloe sold 5 rolls of plain wrapping paper and 14 rolls of holiday wrapping paper for a total of $317. Eduardo sold 6 rolls of plain wrapping paper and 7 rolls of holiday wrapping paper for a total of $204. Write a system of equations to represent the scenario.