587. Hayley was at the 99 Cents store. It was crowded. There were ten registers. There were ten lines. At least five customers were in each line. Hayley saw a young woman who was holding only one item in her hand. Well, at least she won't slow down the line, Hayley thought. She got in line behind the woman. Hayley looked at other lines, to see which one she should have gotten into. She kept looking at her watch. She was now third in line. Then something odd happened. The woman in front of her said, "Mom, come over here." Her mom was in the adjacent line, but she was behind five customers. She started pushing her cart toward her daughter. Hayley looked at the jam‐packed cart. She said, "Oh, no, you don't. You're in that line. You stay in that line. You're not cutting in line in front of me." 2.2