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The average (arithmetic mean) of 3x, x, and y is equal to 2x

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GMAT Club Legend
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Joined: 07 Jun 2014
Posts: 4749
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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The average (arithmetic mean) of 3x, x, and y is equal to 2x [#permalink] New post 30 Aug 2018, 07:39
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Question Stats:

84% (00:18) correct 15% (01:25) wrong based on 32 sessions
The average (arithmetic mean) of 3x, x, and y is equal to 2x.

Quantity A
Quantity B
\(2x\)
\(y\)


A) Quantity A is greater.
B) Quantity 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: The average (arithmetic mean) of 3x, x, and y is equal to 2x [#permalink] New post 10 Sep 2018, 11:02
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(3x+x+y)/3=2x => y=2x

ans C
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Re: The average (arithmetic mean) of 3x, x, and y is equal to 2x [#permalink] New post 11 Sep 2018, 11:06
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(3X +X + Y) /3 = 2X

4X +Y = 6X

Y= 2X

c :)
Re: The average (arithmetic mean) of 3x, x, and y is equal to 2x   [#permalink] 11 Sep 2018, 11:06
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The average (arithmetic mean) of 3x, x, and y is equal to 2x

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