3.50 3.50 3.00 3.00 2.50 2.50 2.00 2.00 1.50 L 1.50 1.00 1.00 .50 .50 3 5 7 9 11 13 15 17 19 O 3 5 7 9 11 13 15 17 19 Laura's quantity demanded/pound of hamburger Chris' quantity demanded/pound of hamburger