TTGWD 3-18(math)

joanjoans

3-18:

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) %

Answer:

不会做.谁能指点一下?

joanjoans

有没有常规的,实实在在的解法?

joanjoans

谢谢解答。关键是没有看懂问题的意思。