For this case we have that by definition:
1 pound is equivalent to 16 ounces.
We make a rule of three to determine the ounces of butter:
1lb ------------------------> 16onzas
----------> x
Where "x" represents the ounces of butter

Thus, there are
ounces of butter.
Now we must find the amount of eggs that remain:

Round down. There are 48 eggs left.
Answer:
There are
ounces of butter.
48 eggs left