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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 650*x+400*(75-x) <38500 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        650 * x + 400 * ( 75 - x ) <38500         (1)

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    From inequality(1)：
         x < 34

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    The final solution set is :
         x < 34

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