原帖由 prozzy 於 2007-5-18 23:05 發表。 
. d, ~. F: F* rthe answer is -$97 for sure.
* U3 {! I& l. w3 E6 ?% z: `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。Think about it this way
' W# }: e/ ]5 Y+ B! ~www3.tvboxnow.com1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)$ D- C4 q9 r6 H; V, D- n* U
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
7 I8 x& {0 @9 C' O公仔箱論壇 tvb now,tvbnow,bttvb6 @) \9 V: E B/ |2 \
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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$ L; @! M: {# S/ I0 t" e6 R, d5 G. pwww3.tvboxnow.comthink 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5 j2 R# L; K& b# c
5 ]8 ?& R+ T. w4 ]: o+ _4 d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
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發表於 2007-7-11 03:19 PM
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