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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (1900-800*(1-x)*2 ) >(1900*(1+0.1)-800)*2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 1900 - 800 * ( 1 - x ) * 2 ) > ( 1900 * ( 1 + 0.1 ) - 800 ) * 2         (1)

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    From inequality(1)：
         x ＞ 57/40

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    The final solution set is :
         x ＞ 57/40

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