原帖由 prozzy 於 2007-5-18 23:05 發表。  公仔箱論壇6 z# f" q; f: {4 E+ w9 Z/ {
the answer is -$97 for sure. 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。 X9 z* ~: i% I
Think about it this way 5.39.217.77 d& v4 o3 o, ]8 L# N- D- f4 ~
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)3 \9 p0 r- i( Y% v0 Q2 T
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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% ^1 t8 C' A7 x4 ]1 ~# htvb now,tvbnow,bttvb1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong# ^$ X4 X* l$ Z N# A; n7 O+ o
* n! a+ |9 B: U+ q+ _6 v- T. X公仔箱論壇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。3 N( J4 i2 s0 t. _) U! c) x+ p. S
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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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