Question 1012073
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Mr Nomial worked on the room 4 hours
(1 hour alone, three hours with the painter)
Since he paints a whole room in 8 hours,
in four hours he painted half the room.
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The painter painted the other half in three hours:
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(3 hrs)/(1/2 room)=(3/(0.5)) hrs/room = 6 hours per room
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ANSWER: The painter could paint the room in 6 hours