skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 公仔箱論壇& E4 K& ~& R' d6 l* O
the answer is -$97 for sure.
( ?  u- X$ j6 aThink about it this way 3 Y" v3 r: ~4 _% A
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)  e6 S2 d; @# _' f$ x) E2 ^
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

5.39.217.76/ s$ j/ W; \( e
tvb now,tvbnow,bttvb4 ~# G. ^! Q" O( T* s3 y! Q; e  U
tvb now,tvbnow,bttvb6 x; @1 m# I0 Z
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.76- u$ [/ s2 J3 w' }' V7 p( l: v

5 k( }5 a) \7 c1 ^2 {* p. E* \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.公仔箱論壇* t( E. t9 }  `* j

* |( y6 L+ n9 L9 }$ P$ M" a5.39.217.76I 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 ??? 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。6 s  j7 ?  Q9 W" @# m+ J# |

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。4 X7 e# b* _; e" t8 A$ {) H0 k
tvb now,tvbnow,bttvb7 H/ @$ d# P: m* }
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' [% s; g3 p  [( B5 M4 H. C: L2 H

/ V- r* d) v7 o: ^! U" m公仔箱論壇[ 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!!!