一道Prep输血

popsue114 · 发表于 2010-9-18 23:49:40

Prep 里的一道输血题

Bobby bought two shares of stock, which he sold for $96 each , if he had a profit of 20% on the sale of one of the shares but a loss of 20% on the sale of the other share, then on the sale of both shares combined Bobby had....

答案是a loss of $8

请教NN解题方法.谢谢!

popsue114 · 发表于 2010-9-19 00:02:36

原来这样......唉, anyway,感谢LS

一道Prep输血

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