please give me the right answer... hurry up....
19 men 7 whole to 1/2 hours a day can finish a job in 21 days. How many hours a day must 45 men work to complete it in 7 days?
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19 men 7 whole to 1/2 hours
they completely job in 21 days
45 men completely in it 7 days
it answer is 10 1/2 day they complete her work....
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