skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 / x0 O+ D* L) i! @( O
the answer is -$97 for sure. TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。  U! Z  i/ w2 x' J" N. R
Think about it this way
5 f% N+ m' J. G$ N+ b4 ?. [5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)$ P/ s* ^2 o5 E; M1 Z
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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。5 R# y3 Y: f' E. ^

- H: V" B  Q- v5 y2 M4 @  h5.39.217.76 公仔箱論壇; F' v5 v* y% C1 Q) h
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb1 m% V" `3 a/ c) r
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。. U( J* i; M* J( V- f5 o# Z
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.
: i" A) Z+ R& m公仔箱論壇   |: P7 ^) j- _* \
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 ???
$ w  i; Y8 ], i: N公仔箱論壇

公仔箱論壇! W& J) W' k1 o% S% D& [: J* b

) ~( |, m% i; H5 G7 rtvb now,tvbnow,bttvbdun 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
8 S. i+ z) E$ g4 Z' `. [% o公仔箱論壇
5 I% |; O" x! i5 Vtvb 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!!!