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(A)    1
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Diagnostic/Review:

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Posted: 08/04/2012 18:28
Why the random number 3 as the common denominator? I thought what happens on one side of the equation happens on the other side too.
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Posted: 08/04/2012 21:16
Uzo, 3 is not randomly picked. It is chosen because 1/3 is in the denominator.
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