You are given a math word problem and you are supposed to apply division mathematical operator on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
Q: Context: Emily is making bead necklaces for her 43 friends. She had 20 beads and she was able to make 5 necklaces. 

 Question: How many beads did each necklace need?
A: 
4