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December 14th, 2009, 04:57 PM  #1 
Member Joined: Oct 2009 Posts: 39 Thanks: 0  Word speed problem
Two trains are moving towards each other, each traveling 75 mph. When the trains are 500 miles apart, a hawk starts flying back and forth between them (as soon as it gets to one train it turns around and flies back to the other). If the hawk can fly at a speed of 90 mph how far will the hawk have flown when the trains meet? Thanks. 
December 14th, 2009, 05:52 PM  #2 
Senior Member Joined: Dec 2009 From: Las Vegas Posts: 209 Thanks: 0  Re: Word speed problem
Hi alikn; 500 / 150 * 90 = 300 miles the hawk flies. 
December 15th, 2009, 11:37 AM  #3  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 407  Re: Word speed problem Hello, alikn! Quote:
This is a classic (very old) problem ... with a surprisingly simple answer.  
December 15th, 2009, 03:23 PM  #4 
Member Joined: Oct 2009 Posts: 39 Thanks: 0  Re: Word speed problem
Thank you very much for the help.


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