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# DS: A. Is m+ z > 0? 1. m-3z>0 2. 4z -m >0 Thanks

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Intern
Joined: 23 Sep 2007
Posts: 35
DS: A. Is m+ z > 0? 1. m-3z>0 2. 4z -m >0 Thanks [#permalink]

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07 Nov 2008, 08:35
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DS:
A. Is m+ z > 0?
1. m-3z>0
2. 4z -m >0

Thanks guys...
Current Student
Joined: 28 Dec 2004
Posts: 3342
Location: New York City
Schools: Wharton'11 HBS'12

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07 Nov 2008, 09:14
singaks wrote:
DS:
A. Is m+ z > 0?
1. m-3z>0
2. 4z -m >0

Thanks guys...

m>-z? is the question

1) says m>3z or m/3<-z this is not suff

2) says 4z>m or z>m/4 or -z<m/4 again not much here since we dont know if m is positive or not..

together.. we can see that z>0

if z>0 then if m-3z>0 then m+z is also greater than 0..

C it is.
Re: DS   [#permalink] 07 Nov 2008, 09:14
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