Question 414469
Ho long will it take 6 workers to complete a task, give that 7 workers can complete the same task in 12 days
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Since 7 workers can complete the task in 12 days, it would take
one worker 7 times that long, and 7x12 = 84, so it would take one
worker 84 days. It will take 6 workers only 1/6 as long as it would
take one worker, and 1/6 of 84 is 14.  So it will take 6 workers 
14 days to complete the task.

Edwin</pre>