There are 4 cups in a pound of flour. a recipe for biscuits calls for 2 3/4 cups of
flour to make a batch of 4 dozen biscuits. antonio starts with a full 5-pound bag of flour and bakes 16 dozen biscuits. how much flour is left when he is finished baking?
a)5 cups
b)9 cups
c)11 cups
d)17 1/4 cups