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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 60a+100(10-a) ≥650 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        60 * a + 100 * ( 10 - a ) ≥650         (1)

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    From inequality(1)：
         a ≤ 35/4

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    The final solution set is :
         a ≤ 35/4

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