skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
' T( d+ G# s, J$ F- Qthe answer is -$97 for sure. 公仔箱論壇% M  y  {" A5 A7 [6 V/ P
Think about it this way
1 o. E6 `4 e: |4 s公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
( B9 P' L" X- S3 A# _6 d  v公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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& o; ]' F& y1 x3 C# {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。 公仔箱論壇6 B0 V/ ?1 M! b0 D2 |$ T
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongTVBNOW 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。+ e2 ]+ P: T2 q: g

/ h: K+ V) v# ~( }9 e/ U1 o# mthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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, g! e$ p* y9 H8 [0 u: @公仔箱論壇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 ???
& v, ~" f) C2 W5 n* o$ o2 Y- y& F公仔箱論壇

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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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; B9 g9 l2 t. OTVBNOW 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!!!