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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 550a+(700-55a)/45*495 <7370 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        550 * a + ( 700 - 55 * a ) / 45 * 495 <7370         (1)

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    From inequality(1)：
         a ＞ 6

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    The final solution set is :
         a ＞ 6

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