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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （2*（t+1.5)+0.8*9)*(83.69+8.5*t)/(11.5+t) ≥144 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 * ( t + 1.5 ) + 0.8 * 9 ) * ( 83.69 + 8.5 * t ) / ( 11.5 + t ) ≥144         (1)
        From the definition field of divisor
         11.5 + x ≠ 0        (2 )

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    From inequality(1)：
         -11.5 ≤ t ≤ -10.83239 或  t ≥ 4.357096
    From inequality(2)：
         t < -23/2 或  t ＞ -23/2

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    From inequalities (1) and (2)
         -23/2 < t ≤ -10.83239 或  t ≥ 4.357096    (3)

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    The final solution set is :
         -23/2 < t ≤ -10.83239 或  t ≥ 4.357096

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