James buys 3 packs of candy.  He pays with a $20 bill and gets $11 change.  How much did each pack of candy cost? Let's think step by step and output the final answer after "####".
user
The candy cost 20-11=$<<20-11=9>>9
So he pays 9/3=$<<9/3=3>>3 per candy
#### 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