Lizzy: In Henry's collection of music CDs, he has 3 more country CDs than rock CDs but twice as many rock CDs as classical CDs. If he has 23 country CDs, how many classical CDs make up his collection?.
Me: Hmmm, let me think. I think this is the detailed solution:
Henry has 23 - 3 = 20 rock CDs. Henry has 20 / 2 = 10 classical CDs. Final answer: 10.