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Thanks for the help.

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Source: — Data Sufficiency |
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by heshamelaziry » Mon Sep 07, 2009 6:16 pm
A) for statement to equal zero p must be 11 and q myst be 13. OR algebraically, P= 11q/13. So, p/(p-q) = -5.5 Sufficient

B)P= 2-q. Substituting in the original equation will not give an answer.

IMO A
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