it is a zero sum game is $50 money is not fake.

来源: pediatrician2 于 2007-12-28 11:27:11 [] [博客] [旧帖] [给我悄悄话] 阅读数 : 0 (192 bytes)
本帖于 2008-01-01 20:35:44 时间, 由普通用户 笨企鹅 编辑
回答: oh, should be 50+15=76. damn. 由 pediatrician2 于 2007-12-28 11:05:05

Now it is a -50 sum game.

neighbor losts zero.
young man gain 15 or 21, depends on how you look at it.
so the shoe owner must lose x + 15/21 = -50.
X = -71/-65.


所有跟帖： 

• where is young man's $29 gain in your calculation? plus -抛玉引砖- ♂ 给 抛玉引砖 发送悄悄话 (376 bytes) () 12/28/2007 postreply 11:47:34

• yes. it is either 44 or 50 depends on the accounthing of -pediatrician2- ♂ 给 pediatrician2 发送悄悄话 pediatrician2 的博客首页 (179 bytes) () 12/28/2007 postreply 12:03:26

• 这种题目不管对错就是找找乐，还是儿医同学真枪实弹在 -抛玉引砖- ♂ 给 抛玉引砖 发送悄悄话 (24 bytes) () 12/28/2007 postreply 12:10:46

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