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Source: — Data Sufficiency |
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by rs2010 » Sat Apr 11, 2009 3:55 am
I says x-y=1/2

Change II to (x/y)-1>0;
(x-y)/y>0

You know x-y >0 (from 1)ineq to be true y>0
since x-y>0 so x is bigger so x>0

So C
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