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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 550*x+495*(7-x) <= 7370 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        550 * x + 495 * ( 7 - x ) <= 7370         (1)

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    From inequality(1)：
         x ≤ 71

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    The final solution set is :
         x ≤ 71

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