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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 10800×（1+a％）×1440 ≥10800×（1+20%） .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        10800 × ( 1 + a % ) × 1440 ≥10800 × ( 1 + 20 % )         (1)

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    From inequality(1)：
         a ≥ -99.916667

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    The final solution set is :
         a ≥ -99.916667

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