The following scenario relates to questions 16 20 Mylo runs a cafeteria situated on the ground flo of a large cpate office block Each of the five flos of the building are occupied there

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答案：很抱歉，您提供的信息不完整，我无法直接回答问题16到20。如果您能提供完整的问题或者需要帮助的详细信息，我会很乐意......

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