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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 9x+4(50-x) ≤360 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        9 * x + 4 * ( 50 - x ) ≤360         (1)

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    From inequality(1)：
         x ≤ 32

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    The final solution set is :
         x ≤ 32
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 3x+10(50-x)小于等于290 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 * x + 10 * ( 50 - x ) ≤290         (1)

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    From inequality(1)：
         x ≥ 30

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    The final solution set is :
         x ≥ 30

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