He gets 3*20=<<3*20=60>>60 feet of wire

So he can make 60/4=<<60/4=15>>15 necklaces

# Answer

15
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
John buys 3 spools of wire that are 20 feet each.  It takes 4 feet to make a necklace.  How many necklaces can he make?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
15
John buys 3 spools of wire that are 20 feet each.  It takes 4 feet to make a necklace.  How many necklaces can he make?
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