Set Theoryhard
0:00.0

A university committee consists of 100 members. Each member serves on at least one of three subcommittees: Finance (F), Academics (A), or Operations (O).

  • 60 members are on Finance.
  • 50 members are on Academics.
  • 40 members are on Operations.
  • 25 members are on both Finance and Academics.
  • 20 members are on both Academics and Operations.
  • 15 members are on both Finance and Operations. If the number of members on exactly one subcommittee is 6 times the number of members on all three subcommittees, how many members are on all three subcommittees?