精品偷拍一区二区三区,亚洲精品永久 码,亚洲综合日韩精品欧美国产,亚洲国产日韩a在线亚洲

  • <center id="usuqs"></center>
  • 
    
  • Each week,Harry is paid x dollars per hour for the first 30 hours and 1.5x dollars for each additional hour worked that

    Each week,Harry is paid x dollars per hour for the first 30 hours and 1.5x dollars for each additional hour worked that week.Each week,James is paid x dollars per hour for the first 40 hours and 2x dollars for each additional hour worked that week.Last week James worked a total of 41 hours.If Harry and James were paid the same amount last week,how many hours did Harry work last week?
    A.35
    B.36
    C.37
    D.38
    E.39
    英語人氣:844 ℃時間:2020-04-22 22:47:19
    優(yōu)質(zhì)解答
    according to James's working time,he totally paid 40x+2x=42x dollars for this.so Harry paid 42x.suppose H spend y hours,y>30 30x+1.5x(y-30)=42x y=38但是二樣只能列出式子y=8x+30,怎么才能確定具體y的值呢?因為不知道x啊等式兩邊的x約掉了。y-30=8y=38
    我來回答
    類似推薦
    請使用1024x768 IE6.0或更高版本瀏覽器瀏覽本站點,以保證最佳閱讀效果。本頁提供作業(yè)小助手,一起搜作業(yè)以及作業(yè)好幫手最新版!
    版權(quán)所有 CopyRight © 2012-2024 作業(yè)小助手 All Rights Reserved. 手機版