原帖由 prozzy 於 2007-5-18 23:05 發表。 
! U/ l: `5 y' a& G5.39.217.76the answer is -$97 for sure.
$ R9 q" G1 C' ^4 T1 K6 J; H# A6 e3 [公仔箱論壇Think about it this way
9 a5 G" i, V X2 U4 `公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)/ G' Y$ w, [7 t+ L# h
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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。1 S1 ]+ A6 m' z8 p- N" C
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。4 y! q$ ~2 U4 ]3 E. H4 W, s6 B
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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2 a! G9 U& n2 C o& L: A" h5.39.217.76think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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- k. ?$ X" c; W" W' Dtvb 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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