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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: 19
Location: India
What is the average (arithmetic mean) of x, y, and z?  [#permalink]

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14 Jan 2019, 23:44
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Question Stats:

50% (00:42) correct 50% (01:58) wrong based on 2 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: 53716
Re: What is the average (arithmetic mean) of x, y, and z?  [#permalink]

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14 Jan 2019, 23:46
What is the average (arithmetic mean) of x, y, and z?

(1) —x − 4y + 3z = 14

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

You've just posted this 1.5 hours ago: https://gmatclub.com/forum/what-is-the- ... 86478.html
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Re: What is the average (arithmetic mean) of x, y, and z?   [#permalink] 14 Jan 2019, 23:46
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