Maths By working 5 hours a day, 60 men can dig a trench 300 meters long, 6 meters wide and 2 meters deep in 6 days, another 540 meters long 4 meters wide and 3 1/2 meters deep by 40 men working 4 hours a day. In how many days can you dig?
| Q.201380: By working 5 hours a day, 60 men can dig a trench 300 meters long, 6 meters wide and 2 meters deep in 6 days, another 540 meters long 4 meters wide and 3 1/2 meters deep by 40 men working 4 hours a day. In how many days can you dig? |
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