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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 4x+（10-x）2.5大于等于30 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        4 * x + ( 10 - x ) * 2.5 ≥30         (1)

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    From inequality(1)：
         x ≥ 10/3

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    The final solution set is :
         x ≥ 10/3

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