conversations.from: human
conversations.value: Tracy, Michelle, and Kati take a road trip that is a total of 1000 miles.  Tracy drives 20 miles more than twice Michelle, and Michelle drives 3 times the amount that Katie drives. How many miles does Michelle drive?
  Find the solution.
conversations.from: assistant
conversations.value: Let x represent the number of miles Kati drives
  Michelle:3x
  Tracy:20+2(3x)=20+6x
  Total:x+3x+20+6x=1000
  10x+20=1000
  10x=980
  x=98 miles
  3(98)=294 miles