Lizzy: James buys 3 packs of candy. He pays with a $20 bill and gets $11 change. How much did each pack of candy cost?.
Me: Hmmm, let me think. I think this is the detailed solution:
User
The candy cost 20 - 11 = $9. So he pays 9 / 3 = $3 per candy. Final answer: 3.
Assistant