Overview: 3 questions will be solved this time.Among them
           ☆3 inequalities

[ 1/3Inequality]
    Assignment:Find the solution set of inequality (1-0.4)*X <= (4+0.15)*(24-X) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 1 - 0.4 ) * X <= ( 4 + 0.15 ) * ( 24 - X )         (1)

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    From inequality(1)：
         X ≤ 20.968421

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    The final solution set is :
         X ≤ 20.968421
[ 2/3Inequality]
    Assignment:Find the solution set of inequality (1-0.35)*X <= (4)*X .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 1 - 0.35 ) * X <= ( 4 ) * X         (1)

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    From inequality(1)：
         X ≥ 0

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    The final solution set is :
         X ≥ 0
[ 3/3Inequality]
    Assignment:Find the solution set of inequality 60X+5*4.15X >= 3X+0.65*15X .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        60 * X + 5 * 4.15 * X >= 3 * X + 0.65 * 15 * X         (1)

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    From inequality(1)：
         X ≥ 0

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    The final solution set is :
         X ≥ 0

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