15 men can dig a trench of 90 m long in
3 hours. How long will it take 16 men
to dig a trench...
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Mathematics, 20.10.2020 14:01 chickenstripsare
15 men can dig a trench of 90 m long in
3 hours. How long will it take 16 men
to dig a trench 48 m long?
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Answers: 3
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