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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 50×（1+8％）（50－m）+80×0.9m ≤3060 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        50 × ( 1 + 8 % ) * ( 50 - m ) + 80 × 0.9 * m ≤3060         (1)

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    From inequality(1)：
         m ≤ 20

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    The final solution set is :
         m ≤ 20

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