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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 40m+20(8-m) >= 200 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        40 * m + 20 * ( 8 - m ) >= 200         (1)

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    From inequality(1)：
         m ≥ 2

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    The final solution set is :
         m ≥ 2
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 10m+20(8-m) >= 120 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        10 * m + 20 * ( 8 - m ) >= 120         (1)

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    From inequality(1)：
         m ≤ 4

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    The final solution set is :
         m ≤ 4

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