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DS: Chocolate bars

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Manager
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Joined: 05 Aug 2008
Posts: 88
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

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

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SVP
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Posts: 2420
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...
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Re: DS: Chocolate bars  [#permalink]

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New post 03 Jan 2009, 15:18
1
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
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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.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________

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


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