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Source: — Data Sufficiency |
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by thephoenix » Thu May 06, 2010 12:14 pm
IMO C
s1) x can be + or-2 and t can be +or-3
s2) nothing
combine
t=3
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by el_torero » Thu May 06, 2010 2:38 pm
i think its actually E


If you consider (2), its clear t>0 implies INSUFF

Consider (1):

this implies the x/t = +2/3 or -2/3. INSUFF

Consider BOTH:

Note that x/t could be say 6/9 which reduces to 2/3. so we still dont know if y = 9 or 6. we just know x/y = 2/3.
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