工程完成: 12 x 20 = 360 manday
now need to finish in 16 days.
total 360/16 men => 23 men
2011-12-01 17:49:39 補充:
工程完成: 12 x 20 = 240 manday
now need to finish in 16 days.
total 240/16 men => 15 men
2011-12-04 00:46:27 補充:
why so many assumptions behind the question?
and why don't we think simply if there is not sufificient information?
if there is not sufficient information provided, no conclusion or estimation would come out from big brothers above?