Two masters

The two masters will make as many parts as five apprentices at the same time. An eight-hour shift begins at 6 o'clock. When can a master finish the job to produce just as much as an apprentice for the whole shift?


t = 9:12 hh:mm Wrong answer


u=8 h 5m=2u m=2 u/5=2 8/5=165=3.2 h  t=6.00+m=6.00+3.2=465=9.2=9:12 hh:mm

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