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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (6-4y)+6/(3000-4y)*(10-6) ≥1080 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 6 - 4 * y ) + 6 / ( 3000 - 4 * y ) * ( 10 - 6 ) ≥1080         (1)
        From the definition field of divisor
         3000 - 4 * x ≠ 0        (2 )

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    From inequality(1)：
         y ≤ -268.498527
    From inequality(2)：
         y < 750 或  y ＞ 750

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    From inequalities (1) and (2)
         y ≤ -268.498527    (3)

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    The final solution set is :
         y ≤ -268.498527

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