Human: James buys 3 packs of candy. He pays with a $20 bill and gets $11 change. How much did each pack of candy cost? Assistant: 
How much did each pack of candy cost? ** The candy cost 20-11=$<<20-11=9>>9
How much did each pack of candy cost? ** So he pays 9/3=$<<9/3=3>>3 per candy
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