• • • 9.8 The National Library of China consists of four major sections, each occupying different floors of a seven-storey building. A study shows that the average total distance covered by visitors per day among different sections of the library is around 1,500 km. The following new layout is being proposed to reduce the distance covered:

Since some sections are spread across two different floors and there are intra-section distances to be considered too. The number of moves and distances are shown in the following tables.

Can this new layout reduce the average total distance covered by visitors per day?

Transcribed Image Text:

Book Average Sections distance (meter) Sixth floor Others Fifth floor 50 Fourth floor- Andent 75 Third floor. 50 100 Second floor- Chinese 75 First floor- 50 Ground floor- Children's