Jill and Adam are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of shiny wrapping paper. Jill sold 7 rolls of plain wrapping paper and 4 rolls of shiny wrapping paper for $88. Adam sold 11 rolls of plain wrapping paper and 8 rolls of shiny wrapping paper for a total of $152. Find the cost each of one roll of plain wrapping paper and one roll of shiny wrapping paper.