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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 200m+150(30-m) <= 5500 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        200 * m + 150 * ( 30 - m ) <= 5500         (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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