lancedevenger lancedevenger
  • 09-04-2018
  • Mathematics
contestada

Two trains traveling from different point one at 38 mph the other at 42 mph going 400 miles when will the cross each other

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MrGumby
MrGumby MrGumby
  • 09-04-2018
In 5 hours. 

You can just add the two velocities together and then divide by the overall length. 
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