Brenda and Jessica are selling wrapping paper for a school fundraiser.
Customers can buy rolls of plain wrapping paper and rolls of holiday wrapping paper. Brenda sold 2 rolls
of plain wrapping paper and 1 roll of holiday wrapping paper for a total of $41. Jessica sold 7 rolls of plain
wrapping paper and 1 roll of holiday wrapping paper for a total of $106. Find how much each type of
wrapping paper costs per roll.