Gabriel is raising money for a school trip by selling lollipops and bags of chips. The price of each lollipop is $1 and the price of each bag of chips is $1.50. Yesterday Gabriel made $30 from selling a total of 26 lollipops and bags of chips. Graphically solve a system of equations in order to determine the number of lollipops sold, x,x, and the number of bags of chips sold, yy.