原帖由 prozzy 於 2007-5-18 23:05 發表。  9 Z( }. b& r! d& h# A
the answer is -$97 for sure. 公仔箱論壇4 F- p3 Q: A; g# n$ A7 U. I9 M
Think about it this way 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。# z7 E5 j; ]# B
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)- f: H& m3 |% K0 J% D
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
& \8 P L$ Q% o$ g' x" itvb now,tvbnow,bttvb 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。4 x* f) ^2 L4 C4 O
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.767 ]7 j: X1 R! L5 U ?$ E# ]
tvb now,tvbnow,bttvb% K6 h& @$ q* t
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.
8 ~) S/ ?& ~' t* Q) yTVBNOW 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。 . @" L9 M7 Q i! O! 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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