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#### Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here. # The average (arithmetic mean) of x+ 5, 2x+ 3, and 1- 3x  Question banks Downloads My Bookmarks Reviews Important topics
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The average (arithmetic mean) of x+ 5, 2x+ 3, and 1- 3x [#permalink]
Expert's post 00:00

Question Stats: 100% (00:42) correct 0% (00:00) wrong based on 9 sessions
 Quantity A Quantity B The average (arithmetic mean) of $$x+ 5$$, $$2x+ 3$$, and $$1- 3x$$ The average (arithmetic mean) of $$5, 2, 8,6,$$ and $$4$$

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.

Kudos for the right answer and explanation
[Reveal] Spoiler: OA

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GRE Instructor Joined: 10 Apr 2015
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Kudos [?]: 3935 , given: 63

Re: The average (arithmetic mean) of x+ 5, 2x+ 3, and 1- 3x [#permalink]
Expert's post
Carcass wrote:
 Quantity A Quantity B The average (arithmetic mean) of $$x+ 5$$, $$2x+ 3$$, and $$1- 3x$$ The average (arithmetic mean) of $$5, 2, 8,6,$$ and $$4$$

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.

Kudos for the right answer and explanation

QUANTITY A: Average $$=\frac{(x+5) + (2x+3) + (1-3x)}{3}=\frac{9}{3}=3$$

QUANTITY B: Average $$=\frac{5+2+8+6+4}{5}=\frac{25}{5}=5$$

Cheers,
Brent

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Brent Hanneson – Creator of greenlighttestprep.com  Re: The average (arithmetic mean) of x+ 5, 2x+ 3, and 1- 3x   [#permalink] 12 Feb 2020, 08:29
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