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           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (449.093-x)*(1085.6-667.79)-(x-428.093)*(1146.4-1085.6) >= 0.02165*(1085.6-667.79)*(1146.4-1085.6) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 449.093 - x ) * ( 1085.6 - 667.79 ) - ( x - 428.093 ) * ( 1146.4 - 1085.6 ) >= 0.02165 * ( 1085.6 - 667.79 ) * ( 1146.4 - 1085.6 )         (1)

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    From inequality(1)：
         x ≤ 445.276173

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    The final solution set is :
         x ≤ 445.276173

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