10 men could do a job in 8 hours. How long will it take them if 2 other men joined them?
Question
10 men could do a job in 8 hours. How long will it take them if 2 other men joined them?
Solution
First, we need to find out how much work one man can do in an hour. If 10 men can complete the job in 8 hours, then one man would take 10 times as long to do the job alone. So, one man would take 10 men * 8 hours = 80 hours to complete the job.
Next, we need to find out how long it would take 12 men (10 original men + 2 more men) to complete the job. If one man takes 80 hours to complete the job, then 12 men would take 80 hours / 12 men = 6.67 hours to complete the job.
So, if 2 other men joined the original 10 men, it would take them approximately 6.67 hours to complete the job.
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