原帖由 prozzy 於 2007-5-18 23:05 發表。 
) i/ ^# H4 p5 i( ]% Pos.tvboxnow.comthe answer is -$97 for sure.
" Y, I4 J: }* B7 k公仔箱論壇Think about it this way 9 R( Q+ Z6 J6 ]; \7 R0 v5 w6 i
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
5 W. G( x# {0 FTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
* B/ ?0 m( l; E; `! TTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongos.tvboxnow.com% R, _$ p) q9 ^8 U( K5 o
t) F2 V. p9 [* F% n8 ~* _$ {, LTVBNOW 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., n% y, a- p" Y) a
公仔箱論壇" S% ?* H# [0 a: w& v
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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