skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
: u+ A3 o( y! Y6 k$ B公仔箱論壇the answer is -$97 for sure. 8 C) c4 F+ a7 C& G8 N4 L( M
Think about it this way 3 M' L4 N0 S' L8 }( q0 n
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18). Q: q! T6 c1 t4 D
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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2 `3 o" }2 {" ]5.39.217.76
) \6 A3 U; C+ F) h0 xtvb now,tvbnow,bttvb1) 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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0 d8 C. Q0 y! T" o7 M公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
, d$ a' x5 |& C7 ^% [, atvb 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。. B. ?( U5 e  S3 V2 S/ e3 m4 q$ ?
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ???
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8 l, R  B7 l6 L! a5.39.217.76公仔箱論壇) k  v; ]0 A; }' z7 q) g
dun forget that guy, not only the $18 dollars product he got on hand, he also got $79 dollars on this hand, he paid a fake 100 dollars bill, it means he paid nothing, and the boss gets nothing too, so u need to add 79 dollars to the total.

230km/hr

97

joey80

179+18
; ]  C# f, e) h+ Y  O5.39.217.76
; i) O5 p' c7 a7 f  Etvb now,tvbnow,bttvb[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!