A qualified worker digs a well in 5 hours. He invites 2 apprentices, both capable of working 3/5 as fast and 2 trainees both working 1/5 as fast as he. If the five-person team digs the same well, how much time does the team need to finish the job?	Choose the correct answer:
A) 1:42	B) 1:34	C) 1:44	D) 1:54	E) 2:14
and answer is correct as you have calculated : 100/59 hrs that is 1.71 hrs - 1 hr and 42minutes, so 1:42, hence,1:42.
<result>A</result>
A qualified worker digs a well in 5 hours. He invites 2 apprentices, both capable of working 3/5 as fast and 2 trainees both working 1/5 as fast as he. If the five-person team digs the same well, how much time does the team need to finish the job?