The cakes cost 3*12=$<<3*12=36>>36

So he paid 36/2=$<<36/2=18>>18

# Answer

18
Question:
John Smith buys 3 cakes for $12 each and splits the cost with his brother.  How much did he pay?
Answer:
Let's think step by step.

user
18
John Smith buys 3 cakes for $12 each and splits the cost with his brother.  How much did he pay?
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