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How can we find the numbers by second equation

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VP
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Joined: 18 May 2008
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How can we find the numbers by second equation [#permalink] New post 12 Jun 2008, 18:19
00:00
A
B
C
D
E

Difficulty:

(N/A)

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
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How can we find the numbers by second equation?
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SVP
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Joined: 04 May 2006
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Schools: CBS, Kellogg
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Re: Gmatprep- DS question [#permalink] New post 12 Jun 2008, 18:34
the first number is a
the sixth number is a+5

6a+15=105, a=...
and n=...
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VP
VP
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Joined: 18 May 2008
Posts: 1293
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Kudos [?]: 200 [0], given: 0

Re: Gmatprep- DS question [#permalink] New post 12 Jun 2008, 21:58
Oh my god! how could i be so dumb? ignoring such a simple fact. :x
Re: Gmatprep- DS question   [#permalink] 12 Jun 2008, 21:58
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How can we find the numbers by second equation

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