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)：
         5/2 ≤ x ≤ 4

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    The final solution set is :
         5/2 ≤ x ≤ 4

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