Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 60X ≥48000 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        60 * X ≥48000         (1)

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    From inequality(1)：
         X ≥ 800

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    The final solution set is :
         X ≥ 800
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 40(210-X) ≥24000 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        40 * ( 210 - X ) ≥24000         (1)

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    From inequality(1)：
         X ≤ -390

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    The final solution set is :
         X ≤ -390

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