Felix is selling hats and T-shirts to raise money to pay for his summer camp registration, and he will use any additional money he
raises as spending money while at camp. He plans to sell each hat for $8 and each T-shirt for $12. In order to pay for his
summer camp registration, Felix must raise at least $288, and he wants to sell at least 32 hats and T-shirts altogether
Let h represent the number of hats Felix sells, and let t represent the number of T-shirts he sells.
One of the graphs below shows the system of inequalities that represents this situation, with it's solution region shaded in.