The candy cost 20-11=$<<20-11=9>>9

So he pays 9/3=$<<9/3=3>>3 per candy

# Answer

3
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
James buys 3 packs of candy.  He pays with a $20 bill and gets $11 change.  How much did each pack of candy cost?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
3
James buys 3 packs of candy.  He pays with a $20 bill and gets $11 change.  How much did each pack of candy cost?
train