原帖由 prozzy 於 2007-5-18 23:05 發表。  5.39.217.76* E# A7 x; r T
the answer is -$97 for sure.
( n$ t+ ]( B8 ~* ]2 Z公仔箱論壇Think about it this way 公仔箱論壇! d$ W+ A& I6 y5 T. M/ n# i4 K4 _
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18), ^5 w; ]3 l0 t! t9 E4 ?1 Y
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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$ H. {! ^) [9 N- _$ u) C1 e0 zTVBNOW 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) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb T; C& [8 T5 o$ u
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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.5.39.217.760 g4 ?9 p% w9 n# f6 D: W
" K0 n2 k& b+ [3 GTVBNOW 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。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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