A system of inequalities is graphed below. The variable x represents the number of cans someone is buying, and y represents the number of bottles. Conditions on the maximum amount of total weight and volume lead to two of the inequalities. 180 160 140 120 100 80 60 40 20 5 10 15 Which descriptions correspond to solutions of this system? 7 cans and 140 bottles 9 cans and 70 bottles 12 cans and 40 bottles