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a certain store sells

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Senior Manager
Senior Manager
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Status: D-Day is on February 10th. and I am not stressed
Affiliations: American Management association, American Association of financial accountants
Joined: 12 Apr 2011
Posts: 275
Location: Kuwait
Schools: Columbia university
Followers: 4

Kudos [?]: 45 [0], given: 52

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a certain store sells [#permalink] New post 25 Nov 2011, 13:55
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E

Difficulty:

  5% (low)

Question Stats:

82% (01:12) correct 18% (01:04) wrong based on 11 sessions
A certain store sells only black shoes and brown shoes. In a certain week, the store sold x black shoes and y brown shoes. If 2/3 of all shoes sold that week were black, which of the following expressions represents the value of y, in terms of x?
a)x/3
b)x/2
c)2x/3
d)3x/2
e)2x
[Reveal] Spoiler: OA

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Joined: 29 Oct 2011
Posts: 188
Concentration: General Management, Technology
Schools: Sloan '16 (D)
GMAT 1: 760 Q49 V44
GPA: 3.76
Followers: 7

Kudos [?]: 71 [1] , given: 19

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Re: a certain store sells [#permalink] New post 25 Nov 2011, 14:31
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x/(x+y) = 2/3
3x = 2x+2y
x = 2y
y = x/2

B
Re: a certain store sells   [#permalink] 25 Nov 2011, 14:31
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