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原帖由 prozzy 於 2007-5-18 23:05 發表。 ; m1 d  {& B* C/ G
the answer is -$97 for sure.
2 X! A+ S  Z& P8 c% l" mThink about it this way
6 n# x7 w* Q$ I  _' ptvb now,tvbnow,bttvb1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.76$ o- l6 V9 k* k0 g9 [+ t
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
, {' Q/ v( M! A% U7 j) J公仔箱論壇5.39.217.76/ j, |/ B5 o' g- Y8 a

% U+ j7 A/ I! k6 ~8 vtvb now,tvbnow,bttvb1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
" @6 i! B/ V- ]/ l tvb now,tvbnow,bttvb- ?6 T: V) w. a2 h8 m
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.+ {6 @7 b: C; I2 {

7 N" w8 ^% U. `' HI 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 ??? 8 \7 F; D1 w+ f" i5 K
tvb now,tvbnow,bttvb6 G& n" @3 Q6 \6 G* N( ]0 z  J" R
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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
( v. A2 o- ]4 t% G! g- [( o. KTVBNOW 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。5.39.217.76% B/ `4 X4 U4 i& w+ n. t
[ 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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