Natasha and Gerralyn are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper (p) and rolls of shiny wrapping paper (s). Natasha sold 5 rolls of plain wrapping paper and 5
rolls of shiny wrappying paper for a total of $105. Gerralyn sold 3 rolls of plain wrapping paper and 10 rolls of
shiny wrapping paper for a total of $161. Write 2 equations that model this scenario.