GWD31-3中数学题求教,从题中找不出相关关系

littleshrimp

Q18:

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: D

littleshrimp

有高人么？先谢了

littleshrimp

求教,谢谢~