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Find the area (Posted on 2011-04-08) Difficulty: 3 of 5
If RE*ER= AREA evaluate the AREA .

Please evaluate using pencil and paper only.

See The Solution Submitted by Ady TZIDON    
Rating: 4.0000 (3 votes)

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spoiler | Comment 2 of 5 |
(In reply to Hyperbolic solution. Seems to work. by Jer)

Starting out as did Jer:

(10R+E)(10E+R) = 1000A+100R+10E+A = 1001A+10(10R+E)

So 10R+E factors 1001A=7*11*13*A

A little checking gives A=6,R=7,E=8 and (78)(87)=6786

  

 


  Posted by xdog on 2011-04-08 16:37:21
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