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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 10(200-a-a/3)+12a ≤1880 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        10 * ( 200 - a - a / 3 ) + 12 * a ≤1880         (1)

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    From inequality(1)：
         a ≥ 90

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    The final solution set is :
         a ≥ 90

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