1) Amy and Aliyah are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of holiday wrapping paper. Amy sold 5 rolls of plain wrapping
paper and 4 rolls of holiday wrapping paper for a total of $126. Aliyah sold 5 rolls of plain
wrapping paper and 7 rolls of holiday wrapping paper for a total of $168. Find the cost each of
one roll of plain wrapping paper and one roll of holiday wrapping paper.