Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 4000-40n >11sqrt(n) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        4000 - 40 * n >11 * sqrt ( n )         (1)
        From the definition field of √
         x ≥ 0        (2 )

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    From inequality(1)：
         n < 97.287553
    From inequality(2)：
         n ≥ 0

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    From inequalities (1) and (2)
         0 ≤ n < 97.287553    (3)

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    The final solution set is :
         0 ≤ n < 97.287553

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