原帖由 prozzy 於 2007-5-18 23:05 發表。  . j) c: \2 {& C2 H
the answer is -$97 for sure.
. a- r7 d4 D6 T( \: }7 QTVBNOW 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。Think about it this way 5.39.217.77:88986 o2 C( ^1 V8 B% Y
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
' s6 e. p* f+ B1 Z公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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# J+ g* l6 V3 ]4 Q8 V1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
/ p5 n3 k! v2 Y# u公仔箱論壇 7 C* J, o9 J' w' \
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.
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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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