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abs. value - need help

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Source: — Data Sufficiency |
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by hypik21 » Tue Jan 20, 2009 9:49 pm
i believe the answer is D...from the statement, we can infer that both ZY and XY are negative. Since Z is less than X, this means that Y is positive...which is what statement 2 says. So now it is either D or E. Plug in values and you will see they are equal. Ex. Z=-10, X=-3

abs(-3--10)+abs(-3)=

10=(abs(-10))=10

D
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by awilhelm » Wed Jan 21, 2009 8:38 am
Correct! Thanks.
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