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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 70*60+15（70-11y）*11y*10 <= 5000 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        70 * 60 + 15 * ( 70 - 11 * y ) * 11 * y * 10 <= 5000         (1)

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    From inequality(1)：
         y ≤ 0.006934 或  y ≥ 6.356702

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    The final solution set is :
         y ≤ 0.006934 或  y ≥ 6.356702

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