题目:
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?
选项:
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:
D