text: # Train from Brno
  
  First train started from Brno at 8 am at 60 km per hour. Second train started from Opava at 7 o'clock at the speed of 40 kilometers per hour. In how many hours and how far from cities trains meet when the distance of cities is 200 kilometers.
  
  Result
  
  t = 9:36 h
  b =  96 km
  o =  104 km
  
  #### Solution:
  
  b+o = 200
  b = 60(t-8)
  o = 40(t-7)
  
  b+o = 200
  b-60t = -480
  o-40t = -280
  
  b = 96
  o = 104
  t = 485 = 9.6
  
  Calculated by our linear equations calculator.
  
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