math problem of the day

Author Topic: math problem of the day  (Read 1173 times)

Offline jas_fluidm

  • Faculty
  • Sr. Member
  • *
  • Posts: 291
    • View Profile
math problem of the day
« on: July 10, 2013, 12:54:39 PM »
Pat, kate and mark charged a total of 162 hours to certain project.If pat charged twice as much time to the project  as kate and 1/3 as much time as mark , how many more hours did mark charge to the project than kate?

Ans: 90 hours