原帖由 prozzy 於 2007-5-18 23:05 發表。 
7 l6 ?3 ^7 l; n4 E( {公仔箱論壇the answer is -$97 for sure. 5.39.217.76. j, v( o- o0 u* _6 N7 B
Think about it this way
" f3 |6 t4 V) [& `5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)- R2 R, X' y8 p
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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5 R4 J- P. P! b3 }' V# }9 g1 P1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
9 s* H1 v* ^% J: W$ J" F$ STVBNOW 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。
. k6 v w1 }5 N4 j8 H; uthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
) c7 J# {2 j/ m5.39.217.76
4 D9 H. P3 U$ l1 e: s |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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