What is the answer to the page 7-22 in Punchline Algebra book A Why doesn't anybody wear paper clothes?

Well, honey, the answer to page 7-22 in that algebra book is probably some math mumbo jumbo. As for why nobody wears paper clothes, well, that's because paper rips faster than a Kardashian marriage. Stick to fabrics, darling, they'll last longer and won't leave you exposed like a bad punchline.