<PRE><B>Question 822527</B>
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jobs = 1
rate = jobs/worker-days
rate = j/wd
rate = 1/(20*12)
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j/wd = 1/(20*12)
1/w6 = 1/(20*12)
1/6 = w/(20*12)
w = (1/6)(20*12)
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answer:
w = 40 workers
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