skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 os.tvboxnow.com' b) P' [7 b: ~
the answer is -$97 for sure. 1 Z3 N8 v% f9 O/ j# ~7 ^
Think about it this way
* V. l2 `$ D% @1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)# g9 w/ M' {% O8 `: B: x# ]
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong公仔箱論壇( ^2 ^2 z/ b; n3 D3 ^3 f/ d( ]

! V( x, }. M& O$ f  h公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
# W  z6 O" ~" m; I/ b8 L$ |! U公仔箱論壇 公仔箱論壇& U2 j/ @% W: O: o4 j
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ???
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- @1 @, }4 ?3 ?7 C公仔箱論壇  S6 }$ Q8 V$ `, n$ \
dun forget that guy, not only the $18 dollars product he got on hand, he also got $79 dollars on this hand, he paid a fake 100 dollars bill, it means he paid nothing, and the boss gets nothing too, so u need to add 79 dollars to the total.

230km/hr

97

joey80

179+18
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) _' |) @0 x6 `  f+ ]TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!