skybirds

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 $100
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3 [  a3 h" c4 m$ ~* N) D+ y總共損失係 $18+$79+$100 = $197
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或者如果係捉字失既話) L+ I) [8 M7 i9 l7 ~4 _$ p6 P1 Q" X1 z
$179 + 一件貨

skybirds

原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 
; R8 x; a3 a, }5 y5.39.217.77$97 old question

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/ I" d3 ?! x1 z- t6 Nold question?
# \. N$ X2 G9 m* O) A# ^公仔箱論壇but how come u still have the wrong answer?
4 p3 y* Q7 k% c) I, stvb now,tvbnow,bttvbwhat about the 100 dollars he gave it back to his neighbor

skybirds

原帖由 wwk6002 於 2007-5-5 22:53 發表。 tvb now,tvbnow,bttvb6 }4 p: ~$ O& K3 j! x& j, k) K# r
請答197的人想清楚！tvb now,tvbnow,bttvb; f) s/ F+ ]% {) J5 Z
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，
3 N: I  N# d$ l  \# I7 G9 I5.39.217.77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，tvb now,tvbnow,bttvb; A# b8 H/ O" g3 F1 l
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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) ^7 W& p2 L  a( a: ?- s1 Q5 iYes, 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

skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 5.39.217.77+ A& b3 [+ z9 s1 d
the answer is -$97 for sure.
( q7 t: J- `/ ]( M' |1 oThink about it this way
0 W2 z- W! |! X* t& w. g5.39.217.771) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
  F, l* i0 x+ y( T* M$ x' |2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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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& Z" k3 M! `5 Q! ^
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think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.5.39.217.77! t1 p* F% w) p" T1 Q; h2 S$ f
tvb now,tvbnow,bttvb4 J3 \. k& g& ]
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 ???
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9 @5 a# X* ]3 A5.39.217.77dun 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.