GWD0-18

[邁向高等學府]

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) %？
答案為D
請教如何解？
謝謝！

[Jung]

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http://www.formosamba.com/phpBB3/viewtopic.php?t=539