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!

Leliolevine · 发表于 2010-9-18 23:51:46

一个赚了20% 则cost是96/1.2=80，一个赔了20%则cost是96/0.8=120。。120+80-96-96=8赔了8

popsue114 · 发表于 2010-9-19 00:02:36

原来这样......唉, anyway,感谢LS

一道Prep输血

所属分类: GMAT考试

正在浏览此版块的会员 ()

浏览过的版块