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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 100*（a-110）+200*（a-120） >（11000+24000）*0.2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        100 * ( a - 110 ) + 200 * ( a - 120 ) > ( 11000 + 24000 ) * 0.2         (1)

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    From inequality(1)：
         a ＞ 140

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    The final solution set is :
         a ＞ 140

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