At Central Middle School the 108 students who take the AMC \rightarrow 8 meet in the evening to talk about problems and eat an average of two cookies apiece. Walter and Gretel are baking Bonnie’s Best Bar Cookies this year. Their recipe, which makes a pan of 15 cookies,
list these items:
1 \dfrac{1}{2} cups of flour, 2 eggs, 3 tablespoons butter, \dfrac{3}{4} cups sugar, and 1 package of chocolate drops. They will make only full recipes, not partial recipe.
Walter can buy eggs by the half-dozen. How many half-dozens should be buy to make enough cookies? (Some eggs and some cookies may be left over.)
Answer Choices
A. 1
B. 2
C. 5
D. 7
E. 15