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Given \(a=x/12\) and \(b=y/27\), if \(a>b\), which of the following must be true?

A. \(x>y\)
B. \(x>2y\)
C. \(x
D. \(9x>4y\)
Explanation: \(x/12 > y/27 \Rightarrow 27x > 12y \Rightarrow 9x > 4y\).