5X divided by X squared >100 then X is not

Kind of practice question I have for a test.  My list of possible answers is 10, 9, 8, 7.  None of which make any sense to me.
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1 Answer

5X/X2>100, 5X>100X2, 100X2-5X<0, 5X(20X-1)<0.

Therefore X<0 (not an option); or 20X-1<0, 20X<1, X<1/20, also not an option. No option applies.

Either the question is a trick or there is an error in the question's presentation.

by Top Rated User (1.2m points)

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