Choose the number of the sentence that expresses the main idea in each selection. Then click on "GO." Question7. (1) Have you ever noticed there is almost always a weight-loss book on the bestseller lists? (2) Americans are obsessed with weight. (3) It is likely you know your weight within five pounds. (4) Every birth announcement gives the baby's weight to the exact ounce. (5) Weight scales are commonplace in American bathrooms. (6) Every year, approximately 45 million people in the United States go on a diet. (7) Magazine racks are crammed with diet plans guaranteed to help you lose those extra inches. (8) Americans spend over $33 billion yearly on weight-reduction products