A contracter employs 360 men who can finish a certain piece of work in 11 months how many extra men must be employed to complete the job in 9 months
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For 11 months men need =360
For 1 month men need =360×11
For 9 months men need=360×11\9
=440men
For 1 month men need =360×11
For 9 months men need=360×11\9
=440men
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