[問題] 一題數學
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 ?
題目看不太懂
答案是 [(100(k-m))/(100+m)] %
what does the question mean?
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