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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (50+x)(600-5x) >= 3300 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 50 + x ) * ( 600 - 5 * x ) >= 3300         (1)

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    From inequality(1)：
         -46.024688 ≤ x ≤ 116.024688

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    The final solution set is :
         -46.024688 ≤ x ≤ 116.024688

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