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From: suman36Reply 21 of 21Reply
Subject: Contributed Answer/Explanation to Q. 40
   8
   
    
   
   
   4800/x-4800/x+4=200                                      
                                                    
                  =>4800(x+4-x) /x2+4 x=200                
                                                    
                                             =>24.4=x
   2+4x                                               
                                                    
                =>x 2+4x-96=0          =>x=8    (by putting
   the formula)                                         
      

Posted at: Tue Feb 8 16:35:57 2011 (GMT)

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