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October 29th, 2009, 02:00 PM  #1 
Joined: Oct 2009 Posts: 12 Thanks: 0  Urban planning Applied Optimization
Two industrial plants, A and B, are located 18 miles apart, and each day, respectively emit 80 ppm (parts per million) and 720 ppm of particulate matter. Plant A is surounded b a restricted area of radius 1 mile, while the restricted area around plant B has a radius of 2 miles. The concentration of particulate matter arriving at any other point Q from each plant decreases with the reciprocal of the distance between that plant and Q Where should a house be located on a road joining the two plants to minimize the total concentration of particulate matter arriving from both plants?

October 29th, 2009, 08:09 PM  #2  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 2,817 Thanks: 145  Re: Urban planning Applied Optimization Hello, johnny172! Quote:
Code: :          18          : A *o* B :   x   Q     18x       : [color=beige]. . [/color] [color=beige]. . [/color] [color=beige]. . [/color] [color=beige]. . [/color] [color=beige]. . [/color]  
October 29th, 2009, 08:26 PM  #3 
Joined: Oct 2009 Posts: 12 Thanks: 0  Re: Urban planning Applied Optimization
thank you so much that helps so much!!! i owe you one...


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