Nancy bought 5 1/2 pounds of apples and oranges. If she bought 1 2/3 pounds of apples, which of the following equations could be used to find the amount of oranges she bought?
a)5 1/2+p= 1 2/3
b)5 1/2+ 1 2/3= p
c)-5 1/2 + p= 1 2/3
d)5 1/2 - p= 1 2/3