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。9 [0 y( Y& ]2 q4 F3 r- A: G
the answer is -$97 for sure.
O% W8 h, G& o+ n/ E% R: A) j5.39.217.76Think about it this way
$ l' _, f' t* U; |6 J; z1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
o ~' x t A! {( e2 aTVBNOW 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。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
8 W1 i0 p) F- B5 q" u5 Z3 p 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。1 v( _% M3 v' ?: w
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong公仔箱論壇# ^+ G" J% r% _% j6 }0 n7 J9 L
+ m- L x* u }. X& ~
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.8 c! B. |1 ~# p6 P! F5 {1 S0 u
% S+ D# j: k/ e6 p& ^公仔箱論壇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
| 
