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January 20th, 2012, 11:24 PM  #1 
Member Joined: Jan 2012 Posts: 33 Thanks: 0  Distance, speed and time problem
Can someone solve this ? A plane flying at 300 mph has a 3hr head start on a “chase plane,” which has a speed of 800 mph. How far from the airport will the chase plane overtake the first plane? 
January 20th, 2012, 11:40 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Text exercise
It is preferable to begin a new topic for a new question, so that topics are easy to follow and add to. Thus, I split this topic from the original into its own. The relationship between distance d, constant speed v and time t is: When the chase plane overtakes the slower plane, their distance form the airport will be equal. Let t be the time in hours the slower plane is in the air, and so t  3 will be the time the chase plane is in the air. So we have: Now we must solve for t: Now to find d, we use: 
January 21st, 2012, 01:19 AM  #3 
Member Joined: Jan 2012 Posts: 33 Thanks: 0  Re: Distance, speed and time problem
Thank you for your answer. I can solve long equations but when it comes to solve text ecercises i dont understand them..I think i dont have logic thinking like you 

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