DS 6

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Source: — Data Sufficiency |

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by ov25 » Tue Dec 14, 2010 5:34 pm
From i) x<0, -5+7=2, -5+2=-3 - INSUFF
From 2) y>0, -5+7=2, -10+7=-3 - INSUFF
From both -2+3=1, -3+2=-1 INSSUFF
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