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原帖由 prozzy 於 2007-5-18 23:05 發表。
% j* i1 g% d/ g  X# @/ Nthe answer is -$97 for sure.
1 U- o- c- z; ^# u9 F8 nThink about it this way
& Y, t/ F' r0 g8 U- W$ _% r2 s1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.76+ P( _7 c' b7 K$ e  f3 J
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
; k+ b1 \3 @5 Z% U公仔箱論壇7 g% l( _% F6 W% M8 ~3 j* E
5.39.217.76. ?  ]; P7 n, q) P
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
  x/ {; M/ t& _& {3 q5 I4 e公仔箱論壇 5.39.217.76! m/ j  K. F0 A+ J- `
think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
0 X" `, Y9 }5 G* U8 g5.39.217.76
+ z% n- T/ f8 g$ D) W( I1 ?0 ]I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 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。9 b! G0 o6 J! a4 @# y% W
" O! b% @( q' r4 utvb now,tvbnow,bttvbTVBNOW 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。" n& c/ `$ V1 @) z, o
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.

回復第 1 帖由 idontgiveashit 所發的帖子

97
179+18
* I4 {6 {! i. y1 c: |/ ^; c# x' 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。. ?1 Y8 ~; C% k) M% o% h
[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]
118

$97 lost

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回復第 213 帖由 skybirds 所發的帖子

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??
18+79=97
not 97 ma ?
197
Thanks for sharing!!!
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