“I read it: "A man earned daily for 5 days and 3 times as much as he paid for his board, after which he was obliged to be idle 4 days," it said. "Upon counting his money after paying for his board he found that he had 2 ten-doller bills and 4 dollers. How much did he pay for the board, and what were his wages?""All right. Think now," Weaver said. "How would you begin to solve it? What's your X?"I thought. Very hard. For quite some time. About the man and his meager wages and shabby boardinghouse and lonely life. "Where did he work?" I finally asked."What? It doesn't matter, Matt. Just assign an X to-""A mill, I bet," I said, picturing the man's threadbare clothing, his worn shoes. "A woolen mill. Why do you think he was obliged to be idle?""I don't know why. Look, just-""I bet he got sick," I said, clutching Weaver's arm. "Or maybe business wasn't good, and his boss had no work for him. I wonder if he had a family in the country. It would be a terrible thing, wouldn't it, if he had children to feed and no work? Maybe his wife was poorly, too. And I bet he had...""Damn it, Mattie, this is algebra, not composition!" Weaver said, glaring at me."Sorry," I said, feeling like a hopeless case.”