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标题: 请教GWD [打印本页]

作者: stormyyu 时间: 2007-11-21 17:07
标题: 请教GWD

Last year the price per share of Stock X increased by k percent and the earnings per share of Stock X increased by m percent, where k is greater than m. By what percent did the ratio of price per share to earnings per share increase, in terms of k and m?

A. k/m %

B. (k-m) %

C. [100(k-m)]/(100+k) %

D. [100(k-m)]/(100+m) %

E. [100(k-m)]/(100+k+m) %

如何求借呀

作者: sarah_g 时间: 2007-11-21 17:30
D

作者: stormyyu 时间: 2007-11-21 23:07
请问是如何求解出D的呀？

作者: sarah_g 时间: 2007-11-22 09:53

以下是引用stormyyu在2007-11-21 23:07:00的发言：
请问是如何求解出D的呀？

这道题目是这样的：题目问what percent did the ratio of price per share to earnings per share increase, in terms of k and m，就是问，每股价格比每股收益的比率增加了百分之多少？

过程是：

[attachimg]62143[/attachimg]

[此贴子已经被作者于2007-11-22 9:53:56编辑过]

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