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DS: Chocolate bars

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Manager
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Joined: 05 Aug 2008
Posts: 91

Kudos [?]: 47 [0], given: 0

Schools: McCombs Class of 2012
DS: Chocolate bars [#permalink]

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New post 02 Jan 2009, 19:10
00:00
A
B
C
D
E

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Q1.JPG
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Kudos [?]: 47 [0], given: 0

SVP
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Joined: 29 Aug 2007
Posts: 2473

Kudos [?]: 832 [0], given: 19

Re: DS: Chocolate bars [#permalink]

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New post 03 Jan 2009, 12:28
smarinov wrote:
Attachment:
Q1.JPG


E. 2/3 (2x) = 3/5 (2y)
10x 9y

x = chocolate
y = tuffee.

if x is 9, y = 10
if x is 18, y = 20
if x is 900, y = 1000

so insuff...
_________________

Verbal: http://gmatclub.com/forum/new-to-the-verbal-forum-please-read-this-first-77546.html
Math: http://gmatclub.com/forum/new-to-the-math-forum-please-read-this-first-77764.html
Gmat: http://gmatclub.com/forum/everything-you-need-to-prepare-for-the-gmat-revised-77983.html


GT

Kudos [?]: 832 [0], given: 19

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Joined: 05 Jul 2008
Posts: 1403

Kudos [?]: 423 [0], given: 1

Re: DS: Chocolate bars [#permalink]

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New post 03 Jan 2009, 15:18
GMAT TIGER wrote:
smarinov wrote:
Attachment:
Q1.JPG


E. 2/3 (2x) = 3/5 (2y)
10x 9y

x = chocolate
y = tuffee.

if x is 9, y = 10
if x is 18, y = 20
if x is 900, y = 1000

so insuff...


Hmm I got C

CP= 2C and TP=2T; 2/3(C) and 3/5(T) are given out. How much is C?

(1) CP=TP-1 which means 2C=2T-2 (because 1 package equals 2 bars) C?? Cannot find C

(2) 2/3(C) and 3/5(T) are equal means 9T=10C Cannot find C

Together C=9

Kudos [?]: 423 [0], given: 1

SVP
SVP
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Joined: 29 Aug 2007
Posts: 2473

Kudos [?]: 832 [0], given: 19

Re: DS: Chocolate bars [#permalink]

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New post 03 Jan 2009, 22:42
smarinov wrote:
Attachment:
Q1.JPG


Agree with C. I do not know what I did?

C. x = chocolate
y = tuffee.


1: y = x+1
2: 2/3 (2x) = 3/5 (2y)
10x = 9y
if x is 9, y = 10
if x is 18, y = 20
if x is 900, y = 1000. so insuff...

Togather: 2/3 (2x) = 3/5 (2y)
10x = 9y
so x = 9 and y = 10
suff...C.
_________________

Verbal: http://gmatclub.com/forum/new-to-the-verbal-forum-please-read-this-first-77546.html
Math: http://gmatclub.com/forum/new-to-the-math-forum-please-read-this-first-77764.html
Gmat: http://gmatclub.com/forum/everything-you-need-to-prepare-for-the-gmat-revised-77983.html


GT

Kudos [?]: 832 [0], given: 19

Re: DS: Chocolate bars   [#permalink] 03 Jan 2009, 22:42
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DS: Chocolate bars

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