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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality [8-（x-2.5/0.1）×0.2]x ≥20 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 8 - ( x - 2.5 / 0.1 ) × 0.2 ) * x ≥20         (1)

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    From inequality(1)：
         1.576708 ≤ x ≤ 63.423292

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    The final solution set is :
         1.576708 ≤ x ≤ 63.423292

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