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# What is the average (arithmetic mean) of x, y, and z?

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Intern
Joined: 24 Nov 2018
Posts: 15
Location: India
What is the average (arithmetic mean) of x, y, and z?  [#permalink]

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17 Jan 2019, 22:25
1
00:00

Difficulty:

45% (medium)

Question Stats:

67% (01:25) correct 33% (00:36) wrong based on 6 sessions

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What is the average (arithmetic mean) of x, y, and z?

(1) —x − 4y + 3z = 14

(2) 5x + 8y + z = 26
Math Expert
Joined: 02 Sep 2009
Posts: 52902
Re: What is the average (arithmetic mean) of x, y, and z?  [#permalink]

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17 Jan 2019, 22:29
What is the average (arithmetic mean) of x, y, and z?

(1) —x − 4y + 3z = 14

(2) 5x + 8y + z = 26

You've posted this before: https://gmatclub.com/forum/what-is-the- ... 86478.html
_________________
Re: What is the average (arithmetic mean) of x, y, and z?   [#permalink] 17 Jan 2019, 22:29
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# What is the average (arithmetic mean) of x, y, and z?

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