原帖由 prozzy 於 2007-5-18 23:05 發表。 
* b. q+ R8 q& `% DTVBNOW 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。the answer is -$97 for sure.
& j- Y4 z2 a# U! R公仔箱論壇Think about it this way
4 X8 |+ S) N% J4 M& A1 I) {( S1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.77:8898# V$ P0 o8 ~' P
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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6 L; V* Q! g/ q5 N- r% [5 j5 A0 G% g; mtvb now,tvbnow,bttvb1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb$ x+ [4 B9 v. {0 L4 L7 c
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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.
% Y, d' L1 ?' k; `5.39.217.77:8898 : W( f% f1 f! q" h; ]
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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