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)*(93.78+9.1*t)/(12+t) ≥1.6 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 * ( t + 1.5 ) + 0.8 * 9 ) * ( 93.78 + 9.1 * t ) / ( 12 + t ) ≥1.6         (1)
        From the definition field of divisor
         12 + x ≠ 0        (2 )

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    From inequality(1)：
         -12 ≤ t ≤ -10.333489 或  t ≥ -4.984094
    From inequality(2)：
         t < -12 或  t ＞ -12

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    From inequalities (1) and (2)
         -12 < t ≤ -10.333489 或  t ≥ -4.984094    (3)

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    The final solution set is :
         -12 < t ≤ -10.333489 或  t ≥ -4.984094

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