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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (2000-50n)/√2.5n >= 1.65 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2000 - 50 * n ) / √ 2.5 * n >= 1.65         (1)

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    From inequality(1)：
         0.001304 ≤ n ≤ 39.998696

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    The final solution set is :
         0.001304 ≤ n ≤ 39.998696

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