Question

2 men each working 5 hours per day can finish painting a house in 12 days. How long will 4 men each working
2 hours per day take to finish the same job?​

Answer 1

Answer:

Number of days it takes is inversely proportional to the number of hours each man works per day and the number of men at work. ∴ 4 men each working 2 hours per day can finish the job in 15 days.

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Answer 2

Number of days it takes is inversely proportional to the number of hours each man works per day and the number of men at work. ∴ 4 men each working 2 hours per day can finish the job in 15 days.