Mathematics, 05.03.2020 02:45, joejo1688

A qualified worker digs a well in 5 hours. He invites 2 apprentices, each working 3434 as fast as the qualified worker and 2 trainees each working 1515 as fast as the qualified worker. If the five-person team digs the same well, approximately how much time does the team need to finish the job?

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A qualified worker digs a well in 5 hours. He invites 2 apprentices, each working 3434 as fast as th...

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