原帖由 prozzy 於 2007-5-18 23:05 發表。 
6 l, V8 m# k2 R% X6 B+ ]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。the answer is -$97 for sure.
+ S$ q3 j. y I; |5.39.217.77Think about it this way
' _* z" }8 U& w( i$ j- }tvb now,tvbnow,bttvb1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
, u4 P9 L- H7 s4 d9 ?: mTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
5.39.217.773 ?+ y. o$ a7 ?8 u+ V
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
+ f1 k' z3 o. }: d2 Y' [tvb now,tvbnow,bttvb tvb now,tvbnow,bttvb2 D; N4 f+ V+ m8 } c$ N3 y( q6 w
think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。" G/ q8 v4 z3 ~$ `. ^& {
; q7 F7 k% M* e8 l0 L公仔箱論壇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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