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标题: 老JJ [打印本页]

作者: Jessica    时间: 2002-10-21 15:28     标题: 老JJ

100000本HARDBOOK卖完后开始一起卖PAPERBOOK和HARDBOOK, PAPERBOOK成本是HARDBOOK的1/3,销量是3倍(只指两种书一起卖的时候),问REVENUE FROM PAPERBOOK 占总收入的百分比
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1/4=25%

不知怎么算的?哪位高手给个公式?
作者: 猫猫头    时间: 2002-10-21 15:36

成本是不是就是价格??
你该漏了些条件吧!
作者: Jessica    时间: 2002-10-21 15:43

是从归纳总结(10-07 tongxun)中来的,不清楚也!
作者: Kilroy    时间: 2002-10-21 15:56

我记得好象还有一个条件:两种书售价一样。
反正当初是很轻松就做出来了
作者: brigittew    时间: 2002-10-21 16:25

your statement about the question here is wrong, you should look up the original question, i still remembered the statement should be like the following:
after sold 10000 hardbook, the sellor bought another 30000 books including hardbooks and softbooks to sell, there is number raio of hardbook to softbook, also you can find the price raio of the two kinds of books,
just go to find the correct statement of question, you will understand the answer easily, the answer is correct here
作者: tongxun    时间: 2002-10-21 16:30

条件是这样的:100000本HARDBOOK卖完后开始一起卖PAPERBOOK和HARDBOOK共卖了200000本, PAPERBOOK成本是HARDBOOK的1/3,销量是3倍(只指两种书一起卖的时候),问REVENUE FROM PAPERBOOK 占总收入的百分比
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不好意思,因为原机警作者没有列出来,我时间有些紧,就直接复制过来了。下不为例。
作者: Jessica    时间: 2002-10-21 16:49

谢谢版主,您也够辛苦的,不怪您!




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