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Source: — Data Sufficiency |

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by Night reader » Sat Jan 22, 2011 4:54 pm
GHong14 wrote:Image
W=27, W=A+B+C, C>B>A, C-?
st(1) C=2A, A-? Not Sufficient
st(2) A+B=15, C=27-15, C=12 Sufficient