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If \(xyz > 0\) then what is the ratio \(x : y: z ?\)
(1) \(x + y = 2 z\)
(2) \(2x + 3y = z\)
[spoiler]OA=C[/spoiler]
Source: Manhattan GMAT
(1) \(x + y = 2 z\)
(2) \(2x + 3y = z\)
[spoiler]OA=C[/spoiler]
Source: Manhattan GMAT
