An algebraic inequality

The score on a test was betwen 80 and 70

My answer is 70< s < 83

Am I wrong???

p.s. I suffer from insomnia!!!!

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- September 13th 2006, 09:17 PMSuwaneeAlgebraic inequality. I couldn't resist one more.
An algebraic inequality

The score on a test was betwen 80 and 70

My answer is 70< s < 83

Am I wrong???

p.s. I suffer from insomnia!!!! - September 13th 2006, 11:28 PMCaptainBlack