19 men working 7
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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Answered by
4
Answer:
I hope it will help you dear
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Answered by
0
Answer:
21/7
Step-by-step explanation:
if 21 days = 15/2 hrs per day
7 days = 21/7
hence this because the hours required will be more .
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