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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 5x+18000-15x <(25x+(1200-x)45)0.3 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        5 * x + 18000 - 15 * x < ( 25 * x + ( 1200 - x ) * 45 ) * 0.3         (1)

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    From inequality(1)：
         x ＞ 450

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    The final solution set is :
         x ＞ 450

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