原帖由 prozzy 於 2007-5-18 23:05 發表。  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。& z' s# k& Q8 g$ M2 U' d* I9 {
the answer is -$97 for sure.
" U/ N! c! t8 b2 E# G* l# eTVBNOW 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
$ \ [" \9 l& W( d$ T9 I; b1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 d. S. K' ], @- {+ K. Q7 L
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
8 J% T$ K4 l- }2 ?- K: X9 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。 $ X6 y/ |# | L& f- M
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong \' w1 y& I/ m9 C2 I6 t
- c8 C: i' X& f* xthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
: D" V$ O+ R& ?! a1 y9 dTVBNOW 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。
0 d; I& g4 c1 L+ X0 t3 ]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
| 
