9.8 The National Library of China consists of four m sections, each occupying different floors of a seven-storey b ing. A study shows that the average total distance covered visitors per day among different sections of the library is aro 1,500 km. The following new layout is being proposed to red the distance covered: Swh rm foor Fouh The oor Ancort Second foor Cre Ft foor Ground foor OewO Since some sections are spread across two different floors, thee are intra-section distances to be considered too. The number of moves and distances are shown in the following tables. Average Distance (meters) ANCIENT OTHERS Children's 10 50 75 100 Chinese 50 20 50 75 Ancient 75 50 20 50 Others 100 75 50 20 Average number of moves/day CHILDREN'S CHINESE ANCIENT OTHERS Children's 2,000 500 300 200 Chinese 700 4,000 1,500 1,800 Ancient 50 1,500 1,500 1,500 Others 300 2,000 1,200 2,000 Source: www.nic.cr/newen/newVisitUs/nicig/rge/shaa Can this new layout reduce the average total distance covered by visitors per day?