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joemama142000
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SimaQ
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allabout
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petefroml
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I would go for E also.

1) x/(x-1) < 1/2
Insufficient to say anything about x/y

2) x/y - 1/y < 1/2
Insufficient to say that x/y < 1/2

1+2) Easiest is to plug numbers.

x=0.5 and y=0.5:
x/(x-1)=-1
(x-1)/y=-1
x/y=1

x=-0.5 and y=0.5
x/(x-1)=1/3
(x-1)/y=-3
x/y=-1

Insufficient.
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joemama142000
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SimaQ
Thus the question asks if x<1/2y

1) this statement gives us x<(x-1)/2, nothing on y insufficient (we only now that x should be negative value)
2) this statement gives us x<1/2y+1, this does not prove anything insufficient

I would choose E


how could you conclude this if you do not know if x or y is positive or negative?
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chuckle
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Me too for E.
(1) just says that 0 Insufficient
(2) tells that x/y THe statement is insufficient.

Both statements taken together are also insufficient because none gives the range of Y.



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