原帖由 prozzy 於 2007-5-18 23:05 發表。  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。" \- l, I9 x7 G# v3 U
the answer is -$97 for sure.
% X* I. u9 y5 E" C, M; g/ x# `) M/ z% bThink about it this way
" A; z0 k# C# U. n1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
; x! \% H0 c2 C) x( s( l9 [' T6 Z5.39.217.772) Now, the owner discovered that the 100 bucks is fake. You can th ...
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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
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6 {, R6 L2 s& i+ W etvb now,tvbnow,bttvbthink 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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8 ?8 }9 H2 e: V" G9 ]) T; |- hTVBNOW 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。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 2007-4-9 06:27 PM
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