Carlos and kristin are selling wrapping paper for a school fundraiser. customers can buy rolls of
plain wrapping paper and rolls of holiday wrapping paper. carlos sold 6 rolls of plain wrapping
paper and 1 roll of holiday wrapping paper for a total of $62. kristin sold 3 rolls of plain
wrapping paper and 10 rolls of holiday wrapping paper for a total of $164. find the cost each of
one roll of plain wrapping paper and one roll of holiday wrapping paper.