prompt: A train travels 360 miles in 3 hours. At the same rate, how many additional hours would it take to travel an additional 240 miles?
messages.content: A train travels 360 miles in 3 hours. At the same rate, how many additional hours would it take to travel an additional 240 miles?
messages.role: user
messages.content: The rate is 360/3=<<360/3=120>>120 mph.
  Then it would take 240/120=<<240/120=2>>2 additional hours.
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messages.role: assistant