Sarah was noticing that nowadays,her room was getting rather cluttered. Her bookshelf seemed far too small for the amount of books she had. And there barely seemed to be space for her toys.Her chair was dumped with clothes and her desk was filled with books that won't fit in the bookshelf. That morning,Sarah decided to clean her room. She took a quick shower,went in the kitchen,and arranged a tray of a few cookies,an apple, and poured out a glass of juice. She took the tray to her room,and sat on her bed with a notebook,a pen and the tray of food. While she ate,she made a list of stuff she needed to do. Here's what it looked like: -Give away some books that are not needed. -Add another rack to the bookshelf. -Buy a clothes stand to hang clothes and stuff on. -Get the curtains dry-cleaned. (they are getting dirty) Sarah decided to start with the bookshelf. She finished the juice,and ate the remaining cookies. Then returned the tray to the kitchen,and came back into her ro...