原帖由 prozzy 於 2007-5-18 23:05 發表。  tvb now,tvbnow,bttvb% ~1 N' x0 L/ B% k! L* G+ x
the answer is -$97 for sure.
: F* Q" W) J0 T" O! g4 c) @tvb now,tvbnow,bttvbThink about it this way ( l3 q& H0 O w/ I3 W8 [
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)tvb now,tvbnow,bttvb& u8 j" t, f" o7 F: w5 q
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
- L& r1 p7 W6 Z* o$ L5.39.217.77:8898
* Q+ @8 g4 y$ S$ n) z; D' ^5 A1 _) {公仔箱論壇1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
) e9 ~( ^ R8 }5 }# }! bTVBNOW 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。' G. h5 Q8 q) X. r6 u! ~+ t
think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
2 t9 W- Z# `! U" b a. o3 A2 K" \tvb now,tvbnow,bttvb
- { |: Y" u$ G* yTVBNOW 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
| 
發表於 2007-7-11 03:19 PM
| 
