You can put this solution on YOUR website! 1/2n - 1/8 is greater than or equal to 3/4 + 5/6n
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(1/2)n - (1/8) >= (3/4) + (5/6)n
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[(5/6)-(1/2)]n <= (-1/8)-(3/4)
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[(10-6)/12]n <= (-4-24)/(32)
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(1/3)n <= -7/8
n <= -21/8
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Cheers,
Stan H.