原帖由 prozzy 於 2007-5-18 23:05 發表。 
1 q8 l, @6 I& v% n4 L* Rtvboxnow.comthe answer is -$97 for sure. tvboxnow.com. j' `6 }6 @3 W+ c
Think about it this way tvb now,tvbnow,bttvb6 o# y# W2 b& C6 I/ y9 p& e
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
' `0 i, l* |) X( |5 ltvboxnow.com2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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5 Z/ z, B' i1 O% A8 I1) 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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) T8 [2 E1 k' x/ R5 \, ptvboxnow.comthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
! q3 t7 a# O1 A2 {- ?; I$ y9 j 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。; C3 y) ^1 n3 @: B
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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