原帖由 prozzy 於 2007-5-18 23:05 發表。 
$ h! X2 H; T# x/ N2 H5.39.217.76the answer is -$97 for sure. 公仔箱論壇. E* [1 O6 z" {% N8 p* B% _% C0 A' Z
Think about it this way 公仔箱論壇9 I- A6 O& Z/ E5 ?
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.767 d/ M# [' p0 d+ j* H% T6 _
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
6 X' o3 D4 l! Z! f1 QTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 5.39.217.769 r$ m6 y& ~* }
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
' @5 t; x5 i$ T. y. D9 R# L9 C: U& q5.39.217.76 ) d% ~3 l: n" Q9 L4 x# K8 ~
think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.. I2 l/ O8 f1 D% [' b/ z9 ?
5.39.217.76- j3 U& H. Y3 E$ y/ b
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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