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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (750-w-15)*280500 >(500-w-15)*388500 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 750 - w - 15 ) * 280500 > ( 500 - w - 15 ) * 388500         (1)

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    From inequality(1)：
         w ＞ -164.305556

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    The final solution set is :
         w ＞ -164.305556

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