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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (100Y+30Y+15Y+12Y+10Y+8Y+7Y)/1000*20 >100*0.6 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 100 * Y + 30 * Y + 15 * Y + 12 * Y + 10 * Y + 8 * Y + 7 * Y ) / 1000 * 20 >100 * 0.6         (1)

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    From inequality(1)：
         Y ＞ 16.483516

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    The final solution set is :
         Y ＞ 16.483516

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