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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 85y <= 364+100*1.44y-640 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        85 * y <= 364 + 100 * 1.44 * y - 640         (1)

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    From inequality(1)：
         y ≥ 4.677966

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    The final solution set is :
         y ≥ 4.677966

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