Answers

The Brainliest Answer!
2015-01-22T23:10:47+08:00
75 days:8 men = 40 days: x
75x = 320
75       75
x=4.26 or 4

4 since there is no a half person. 

I'm not sure if it is correct.
2 5 2
2015-01-23T13:39:23+08:00
Well it needs 5 persons to do that because the rate of 1 men is 9 days and 6 hours
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