原帖由 prozzy 於 2007-5-18 23:05 發表。 
9 K- l$ l' u& ?; {2 Uthe answer is -$97 for sure. tvb now,tvbnow,bttvb) |" O8 z5 {* Z9 f* _+ {& {
Think about it this way
6 s2 L# [/ f/ L. w Y% H公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' q; t5 T3 G& i) t' M- [ h
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
1 s, {8 }2 ~4 f, ~2 r2 HTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
7 K5 b2 v1 E5 q5 _- V1 ]tvb now,tvbnow,bttvb
_* K$ @& W1 }& d$ xtvb 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.公仔箱論壇6 D3 g5 v0 s" M
5.39.217.76) i- H* t9 T, }8 E8 A
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 2007-4-9 06:27 PM
| 
