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OpenStudy (anonymous):
If it would take 7 people 39 hr to do the job, how many people would be needed to complete the job in 195 hr?
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OpenStudy (midhun.madhu1987):
7 people ----> 39 hours so, 1 people ----> 39/7 hours Then, x people -----> 39x/7 |dw:1414839153023:dw| find x from this...which gives the number of persons...
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