skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 % o* O1 v7 d1 s' V- j. \& c
the answer is -$97 for sure.
- l. }+ [7 u( h' t& nThink about it this way 公仔箱論壇/ V: r6 q7 {! K5 r
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
" Y: d) `6 ^; [+ Q" cTVBNOW 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。2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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公仔箱論壇8 A. D; k/ h" u6 F# X- W0 ^
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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
) I- \. N. C1 w4 s0 y* T公仔箱論壇
: j" n0 P/ ]) X3 y. x: W) DTVBNOW 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。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.
* n, q5 p- R1 G. G; U  \& d* QTVBNOW 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。 公仔箱論壇0 s! O2 K: f0 ]: a4 y% p4 K
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 ??? 公仔箱論壇- s4 U( G; H. p3 d

3 z1 e3 ?/ v9 b9 L8 x/ nTVBNOW 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。
' f% n( e9 P4 {( o3 _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
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[ 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!!!