16 men and 12 women can do a piece of work in 30 days. 18 women can finish the same piece of work in 60 days. In how many days will 12 men and 27 women finish the same work?
[A] 15 days
[C] 24 days
[B] 14 days
[D] 10 days

• 18 women's 1 day work=1/60
  1 women's 1 day work=1/18*60
  12 women's 1 day work=12/18*60=1/90
  16men+12 women 1 day work =1/30
  16men 1 day work=1/30-1/90=1/45
  12 men 1 day work=12/16*45=1/60
  27 women 1 day work=27/12*90=1/40
  so 12 men+27 women 1 day work=1/60+1/40=1/24
  so they take 24 days to complete the work
• 11 years agoHelpfull: Yes(20) No(1)
• 16M+12W=1/30
  18W=1/60 or W=1/18*60
  16M+12*1/18*60=1/30
  M=1/16*45
  NOW 12/16*45+27/18*60=24DAYS
• 10 years agoHelpfull: Yes(9) No(0)