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If x, y, and z are integers greater than 0 and x = y + z, what is the

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Joined: 02 Sep 2009
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If x, y, and z are integers greater than 0 and x = y + z, what is the  [#permalink]

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New post 11 Jan 2018, 23:50
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Difficulty:

  45% (medium)

Question Stats:

76% (01:52) correct 24% (00:57) wrong based on 41 sessions

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Joined: 30 May 2017
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GMAT 1: 730 Q49 V41
Re: If x, y, and z are integers greater than 0 and x = y + z, what is the  [#permalink]

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New post 12 Jan 2018, 00:41
If x, y, and z are integers greater than 0 and x = y + z, what is the value of (y - z)/y?

(1) (x - y)/y = 4/5
(2) z/y = 4/5


what is value of 1-z/y? is the question

All we need is the ratio.
1. x=9y/5=y+z;

4y/5=z;
We can get z/y=4/5
Sufficient

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2.Sufficient z/y is already provided
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GMAT Club Bot
Re: If x, y, and z are integers greater than 0 and x = y + z, what is the   [#permalink] 12 Jan 2018, 00:41
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If x, y, and z are integers greater than 0 and x = y + z, what is the

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