Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 110Y+75(100-Y) ≥9250 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        110 * Y + 75 * ( 100 - Y ) ≥9250         (1)

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    From inequality(1)：
         Y ≥ 50

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    The final solution set is :
         Y ≥ 50
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 100Y+60(100-Y) ≤8080 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        100 * Y + 60 * ( 100 - Y ) ≤8080         (1)

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    From inequality(1)：
         Y ≤ 52

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    The final solution set is :
         Y ≤ 52

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