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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0.26y+0.76(39-y) ≤39 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        0.26 * y + 0.76 * ( 39 - y ) ≤39         (1)

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    From inequality(1)：
         y ≥ -468/25

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    The final solution set is :
         y ≥ -468/25

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