原帖由 prozzy 於 2007-5-18 23:05 發表。  9 a# p% I8 e' x& T Q
the answer is -$97 for sure. tvb now,tvbnow,bttvb+ z' g7 u. D8 W4 d
Think about it this way
6 `$ x3 x. r( E$ Y, _! L1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。$ c# u' D* B$ `) ^. ^5 g J& H
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
$ ^4 j: v+ m) Ktvb now,tvbnow,bttvb . U/ h% E/ X/ J j
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
9 p& }) M, l8 a k( I& VTVBNOW 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. E( S4 Y9 @3 J1 K8 cwww.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.
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; O1 [+ s# O' g- f- v* ktvb 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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