原帖由 prozzy 於 2007-5-18 23:05 發表。 
# j' q2 v. w9 F公仔箱論壇the answer is -$97 for sure. 5.39.217.772 m, B$ a! |. d7 C% T! r
Think about it this way 5.39.217.77. d8 f! P7 X" y; P8 y2 _
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)6 b/ _: w0 f6 n; e
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
( ?6 b# z3 ?1 [' ?. ~公仔箱論壇
3 K2 a0 a2 T: s. J公仔箱論壇1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。$ K; U& Q _6 z- `! H) L/ I
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think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
! n+ _" X. E% k' z: i* o' |5.39.217.77
' X5 h9 u8 S5 f- k' l `$ U% {1 J) q; jtvb now,tvbnow,bttvbI 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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