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Feb 28, 2014 01:19 pm
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If a, b, c, and d are positive, is ac + bd > bc + ad?
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Data Sufficiency (DS)
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Re: Are x and y both positive? (1) 2x - 2y = 1 (2) x/y > 1
Dec 03, 2013
4
If a, b, c, and d are positive, is ac + bd > bc + ad?
Oct 22, 2013
1
Re: What is the value of x?
Nov 29, 2013
1
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