Five people can finish painting a wall in 5 hours. If only 2 people are available, how many hours do they have to work to finish the same job?
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Answer:
12.5 hours
Step-by-step explanation:
5 people takes 5 hours, then 1 man will take (5×5) hrs = 25 hours to complete the same work. Now 2 people will take much less time than the time taken by 1 man, then 2 people will take 25/2 hrs = 12.5 hours.
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