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September 11th, 2007, 04:22 AM  #1 
Newbie Joined: Sep 2007 Posts: 3 Thanks: 0  Completely Stumped on this one..
50 = x(x*0.1) or "A number minus ten percent equals fifty".. Anyone else find this hard?? 
September 11th, 2007, 05:22 AM  #2  
Senior Member Joined: Dec 2006 Posts: 1,111 Thanks: 0  Quote:
50 = 0.9x 50/0.9 = x 500/9 = x  
September 11th, 2007, 05:45 AM  #3  
Newbie Joined: Sep 2007 Posts: 3 Thanks: 0  Quote:
 
September 11th, 2007, 07:05 AM  #4  
Senior Member Joined: Dec 2006 Posts: 1,111 Thanks: 0  Quote:
50 = (1)x  (0.1)x 10.1 = 0.9  
September 11th, 2007, 07:33 AM  #5 
Global Moderator Joined: Dec 2006 Posts: 20,310 Thanks: 1980 
Multiplying 50 = x(x*0.1) by 10/9 gives 500/9 = (10x  x)/9 = x.

September 11th, 2007, 09:38 AM  #6 
Newbie Joined: Sep 2007 Posts: 3 Thanks: 0 
Thank you!


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