原帖由 prozzy 於 2007-5-18 23:05 發表。  tvb now,tvbnow,bttvb& t3 {$ ] r) ?5 ^0 F# k
the answer is -$97 for sure. ) w3 f) g7 n! g4 h [. U7 t! H
Think about it this way
: m7 j4 F6 b0 M) d$ V5.39.217.771) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.77) f: u H: G# j# j9 \$ z: |9 y
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
5.39.217.77+ N! }0 v q# G+ A
3 [! ~; _7 g- M) [8 |2 iTVBNOW 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。1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb- n5 _; U& B, p6 c" q
4 H9 C. O2 d6 t: \3 W( G0 rtvb 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.
z0 y2 N- m0 A( h# t; U2 s+ ]5 O* VTVBNOW 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。 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。7 t+ x! b7 @3 [1 E
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
| 
發表於 2007-7-11 03:19 PM
| 
