AMC 10 Step by Step
2008 AMC 10AProblem 9P1-10~2 minPrint

Suppose that 2x3x6\frac{2x}{3}-\frac{x}{6} is an integer. Which of the following statements must be true about xx ?

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Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.