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标题: 11. 25 寂静数学+作文 [打印本页]

作者: nancytpp    时间: 2020-11-25 22:25
标题: 11. 25 寂静数学+作文
放几道里面没有出现的题:

1. 100人调查问卷,ABC三部电影,10个人三部电影都没看过,20个人三部电影都看过,看过AB电影的
55人,看过BC电影的有47人,看过AC电影的有48人,求只看过两部电影的人数?选90
(55-20)+(47-20)+(48-20)=90

2. Sales tax 5%,after tax selling price is 2320(这个数不确定), 问这个sales tax是多少钱?(选A?)
A110  B.115  C. 2400后面选项比较大
3. 一个product10000数量卖$50一个,fixed cost300,000, variable cost $10 each, 问要卖多少数量profit double? 25%
A.     20% B.25% C. 100% D. 200%

4. 应该是45°
一个等腰直接三角形, 应该是给了高,问一个内角是多少度?


作文:A financial controller suggests government to construct a new luxury hotel to attract more out-of-town visitorsto the convention center because the current convention is only 50% capacity. Visitorscome for the luxury hotel will purchase and go for shopping, and then governmentcan make more revenue from out-of-town visitors. By constructing the luxuryhotel, it will lower the tax burden of local taxpayers.


作者: Ricky_Zhu    时间: 2020-11-25 23:36
感谢楼主
作者: Alexwwwzzz    时间: 2020-11-26 18:28
<font style="vertical-align: inherit;"><font style="vertical-align: inherit;">感谢分享!</font></font>               
作者: tonyrob001    时间: 2020-11-28 00:34
谢谢楼主!




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