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首先損失O左件貨 $18 + 無啦啦找返錢俾條粉腸 $79 + 再加上無奈還俾街坊口既 $100
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總共損失係 $18+$79+$100 = $197 # C$ R# ~; g* O. ?( {& D% T2 ^
tvb now,tvbnow,bttvb. `/ ?! o) A( a2 D8 [% x* J+ H
或者如果係捉字失既話
9 X* @! p4 l$ Z/ |公仔箱論壇$179 + 一件貨
原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 
. w: u' A) z9 H& F/ ~6 e5 i5 \7 Ptvb now,tvbnow,bttvb$97 old question
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' S" U* g5 z% M' l& e$ f  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。old question?
9 w% j, Y% X/ Abut how come u still have the wrong answer?
7 J$ P: ~$ R5 j6 m公仔箱論壇what about the 100 dollars he gave it back to his neighbor
原帖由 wwk6002 於 2007-5-5 22:53 發表。 5.39.217.76+ i6 j) W( z3 [2 l1 z! j/ }2 z
請答197的人想清楚!
7 U) d, q2 ~) ?6 g老闆用假的一百蚊(之後還返張真的一百蚊),換了真的一百蚊零錢,; h% b" M3 _" a! |: ^. \  Q
即係話只係用左一百蚊,就換黎真的一百蚊零錢,然後比左其中79蚊比買野條友,佢自己仲有21蚊,公仔箱論壇" _* z/ f5 e" Y2 c( Z
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ...
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Yes, your answer is correct, but is only the 1st part, u forgot he paid back another $100 to his neighbor, that is another $100, not related to the first $100, you really have to 想清楚
原帖由 prozzy 於 2007-5-18 23:05 發表。
' |) e  m* j6 t1 E+ {; B7 l% C3 Uthe answer is -$97 for sure. tvb now,tvbnow,bttvb9 a/ n% Y, \3 f0 u- `1 e8 k
Think about it this way
( D* W) q, s( O1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
# O2 Z3 K4 u' Z公仔箱論壇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。% F3 I) v, ^2 _" A( w+ i0 @* B0 w

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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公仔箱論壇% G8 X  c3 D; n9 B) k

$ Q& ~" P: ]5 |3 k2 B公仔箱論壇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0 H1 i6 `2 y6 _1 g3 }

; K1 S# I( z2 g! l+ B7 I! ]% g) e公仔箱論壇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 ??? 9 c) ^4 E2 t$ c8 M* x) M* W& I
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。' W/ v. k9 e+ n" N7 _; s  M
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。& [& D1 b3 s# B$ x
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.
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