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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2.4（20-5x÷2）（1+x%） ≥9000 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2.4 * ( 20 - 5 * x ÷ 2 ) * ( 1 + x % ) ≥9000         (1)

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    From inequality(1)：
        The solution set is empty, that is, within the range of real numbers, the inequality will never be established!

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    The final solution set is :
        The solution set is empty,that is, the inequality will never be estatlished within the real number range.

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