If 9 men working 6 hours a day can do a work in 88 days. Then 6 men working 8 hours a day can do it in how many days?

• Apply the MHD rule:
  m1*h1*d1=m2*h2*d2
  9*6*88=6*8*d2
  Solving, d2 come to 99 days
  Thus, 6men working 8 hours can complete the work in 99 days
• 12 years agoHelpfull: Yes(7) No(3)