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If it takes 6 men 4 days to dig a hole 3 metres deep, how long will it take10 men to dig a hole 7 metres deep?

 Jul 19, 2020
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(6 w x 4 d ) / 3 m = 8 w-d/m              w = workers   d = day  m = meters

 

8 w-d / m   *  7 / 10 w  = 5.6 days

 Jul 19, 2020

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