conversations.from: human
conversations.value: Erik's dog can run 24 miles per hour. It is chasing a rabbit that can run 15 miles per hour. The rabbit has a head start of .6 miles. How many minutes does it take for the dog to catch up to the rabbit?
  Give me a clear explanation.
conversations.from: assistant
conversations.value: The dog runs .4 miles per minute because 24 / 60 = .4
  The rabbit runs .25 miles per minute because 15 / 60 = .25
  We know that .4(Number of Minutes) = .25(Number of Minutes) + .6
  Therefore .15(Number of Minutes) = .6
  Therefore (Number of Minutes) = 4