原帖由 prozzy 於 2007-5-18 23:05 發表。 
- [ O! L: R$ z4 ]- h' Y/ Gtvb now,tvbnow,bttvbthe answer is -$97 for sure. 9 H) P. Y" l6 J! N. B7 O- D4 F
Think about it this way os.tvboxnow.com k M4 G! k+ s! \5 O6 y3 V0 i
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
+ y+ V6 B% F, n4 }' z$ ?$ `os.tvboxnow.com2) Now, the owner discovered that the 100 bucks is fake. You can th ...
' G* c$ _1 X9 ^& u公仔箱論壇 公仔箱論壇5 M" Z( Y7 z9 g c& ` {. M
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb- G$ l) R# {1 Q6 s m) y$ 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。' V$ \" p; k( H) n8 n: Q+ C( r/ ]1 M
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.
* j `% T% O1 E1 z0 b1 i8 ?, KTVBNOW 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。
- J: r: Z9 V6 C: KI 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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