原帖由 prozzy 於 2007-5-18 23:05 發表。 
j# a2 c0 ~7 H' ?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. 公仔箱論壇6 T) Y( F, E! `3 `% _' E
Think about it this way
4 a E! l- }6 ]9 |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。1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
& I: A+ L( H: A: [5 K, oTVBNOW 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 ... 3 k* C5 Y( p/ v3 v3 R8 n! g' N; Gtvb now,tvbnow,bttvb公仔箱論壇+ O# x. O2 Y/ A8 ~
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1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
1 e5 v2 e' h. CTVBNOW 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。
% Y; J: A, m0 ?' Y) DTVBNOW 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, 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. |