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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 50×（1+12%）×（50-y）＋72×（1-5%）y ≤3050 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        50 × ( 1 + 12 % ) × ( 50 - y ) + 72 × ( 1 - 5 % ) * y ≤3050         (1)

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    From inequality(1)：
         y ≤ 20.16129

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    The final solution set is :
         y ≤ 20.16129

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