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Value of x and n....

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Manager
Manager
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Joined: 02 Sep 2008
Posts: 102
Value of x and n.... [#permalink]

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New post 13 Apr 2009, 01:17
00:00
A
B
C
D
E

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(N/A)

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

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--== 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.
Intern
Intern
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Joined: 12 Apr 2009
Posts: 24
Re: Value of x and n.... [#permalink]

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New post 13 Apr 2009, 11:27
I would think a) since only statement 1 is sufficient...

we can simplify the equation for S to S= 6x / 5n by adding the values in the denominator and then multiplying the numerator by the reciprocal...

from there, statement 1 allows us to plug in 2n for x so that S = 6x / 5n turns into S= 12n / 5n or S = 12/5 so SUFFICIENT

however, statement 2 leaves us with the variable x in the equation... S = 12x / 5 so it is not sufficient.

OA, please? DS makes me nervous...
Current Student
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Joined: 13 Jan 2009
Posts: 343
Location: India
Re: Value of x and n.... [#permalink]

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New post 13 Apr 2009, 18:21
meesawoosa wrote:
I would think a) since only statement 1 is sufficient...

we can simplify the equation for S to S= 6x / 5n by adding the values in the denominator and then multiplying the numerator by the reciprocal...

from there, statement 1 allows us to plug in 2n for x so that S = 6x / 5n turns into S= 12n / 5n or S = 12/5 so SUFFICIENT

however, statement 2 leaves us with the variable x in the equation... S = 12x / 5 so it is not sufficient.

OA, please? DS makes me nervous...


Dont be nervous you are right 8-)

A should be the OA.

--== 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.
Re: Value of x and n....   [#permalink] 13 Apr 2009, 18:21
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