原帖由 prozzy 於 2007-5-18 23:05 發表。  5.39.217.77:88989 Q& [ | P5 @4 t/ Z
the answer is -$97 for sure. 5.39.217.77:8898" \& z8 s( b9 y$ m/ S! T- g
Think about it this way
" ^% C t( ?; m6 O3 Y8 ]6 aTVBNOW 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-$18)
4 Z: ?* o. g$ e Z2 b2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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9 c% b: B: l, Z: O' c2 ~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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( l n: [9 _6 x9 C% C* o- l9 Y5.39.217.77:8898think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.5.39.217.77:8898 X+ S* I c/ T) c/ ]6 L
tvb now,tvbnow,bttvb: P: V9 c. r% L1 A& p' k$ @
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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