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# 3x + 6y = 27 x + 2y + z = 11

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Joined: 07 Jun 2014
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GRE 1: Q167 V156
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3x + 6y = 27 x + 2y + z = 11 [#permalink]  20 May 2018, 16:51
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Question Stats:

68% (00:57) correct 31% (00:29) wrong based on 22 sessions
3x + 6y = 27
x + 2y + z = 11

 Quantity A Quantity B z + 5 x + 2y - 2

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: 3x + 6y = 27 x + 2y + z = 11 [#permalink]  18 Sep 2018, 06:15
$$3(x +2y)= 27$$
or, $$x+2y = 9$$

Qyt B = $$x+2y - 2$$
or, Qty B = $$9-2 = 7$$

Qty A = $$z + 5$$
we have, $$x+2y + z = 11$$
or, $$9 +z = 11$$
therefore $$z = 2$$
Hence Qty A = $$2 + 5 = 7$$
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Re: 3x + 6y = 27 x + 2y + z = 11   [#permalink] 18 Sep 2018, 06:15
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