原帖由 prozzy 於 2007-5-18 23:05 發表。 
% c4 J9 G& l: S3 ?/ Ithe answer is -$97 for sure.
% e; C" Y+ V4 GTVBNOW 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。Think about it this way 公仔箱論壇, |6 T* J" A4 S, _. }% j4 y
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇* Y! y# S w) o' d* P0 {( c9 \
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
$ \- P! _$ Q9 E 公仔箱論壇" g3 g+ s3 k5 g+ U0 r9 z) O5 t
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
+ }; h) N |% W" S" J7 m0 g Ktvb now,tvbnow,bttvb
- h& t6 R: {2 G J7 O4 C" Wtvb now,tvbnow,bttvbthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
7 c2 V! \6 \6 i, ^7 R' Z3 B: e公仔箱論壇
5 b6 x& L7 |: x$ n: RTVBNOW 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。I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |
發表於 2007-7-10 05:18 PM
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發表於 2007-7-11 03:19 PM
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