a piece of work can be completed by 45 men in 90 days.if only 30 men area available , how many days will it take to complete it.
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43
No. of men 45 30
days 90 x
45×90=30×x
45×90/30=x
45×3=x
135 days=x
days 90 x
45×90=30×x
45×90/30=x
45×3=x
135 days=x
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