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           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 19200+0.12x(x+50) ≤140(x+50) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        19200 + 0.12 * x * ( x + 50 ) ≤140 * ( x + 50 )         (1)

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    From inequality(1)：
         x ≥ 100

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    The final solution set is :
         x ≥ 100

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