原帖由 prozzy 於 2007-5-18 23:05 發表。 
5 A1 G; I7 }" jthe answer is -$97 for sure. 5.39.217.761 y8 {1 f/ o/ J- e3 _: b
Think about it this way
9 ]4 s6 S# f% G: {! h1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇+ _# O, F; k3 ]; G
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
# H# P& M: g6 d1 j* |2 ]1 F3 t9 z 5.39.217.76! V% F( l9 A$ D( ~' k8 J
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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9 f. g9 Z3 k5 X* f/ etvb now,tvbnow,bttvbthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.tvb now,tvbnow,bttvb4 b: I* S0 x) r
: O3 { X9 V7 k$ L" D6 {' G2 ?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。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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