conversations.from: human
conversations.value: I need help with this problem:
  Matt can paint a house in 12 hours.  Patty can paint the same house in one third the time.  Rachel can paint the same house in 5 more than double the amount of hours as Patty. How long will it take Rachel to paint the house?
conversations.from: assistant
conversations.value: Patty: 12/3=4 hours
  Rachel: 5+2(4)=13 hours