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
$ k7 V# U; L0 J! s; Rtvb now,tvbnow,bttvb5.39.217.765 d" F+ |: y2 n! ~; ~& W
總共損失係 $18+$79+$100 = $197
. e7 J) ?/ U; P. [/ [5 W3 o: Y公仔箱論壇
. B' m- R' l4 b! d7 f, iTVBNOW 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。或者如果係捉字失既話
: R5 U( V/ ~. b. p公仔箱論壇$179 + 一件貨

skybirds

原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 5.39.217.76( |4 O- E6 y6 }
$97 old question

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tvb now,tvbnow,bttvb: V2 n" O* l" p, C
old question?tvb now,tvbnow,bttvb/ {* J$ g! N# }9 W, e4 R
but how come u still have the wrong answer?" d+ {* p! ~1 N# a6 w- N- n
what about the 100 dollars he gave it back to his neighbor

skybirds

原帖由 wwk6002 於 2007-5-5 22:53 發表。
  ^# A' Q6 {% ~9 G公仔箱論壇請答197的人想清楚！
9 p" c* ]0 a- o! `. I4 ^% X9 i  _, p. x5.39.217.76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，公仔箱論壇6 I9 ^$ q5 Z; s/ h7 Y7 z
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，
) o2 n. Z/ q9 n5 F2 @& Otvb now,tvbnow,bttvb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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# ~; n# `3 O4 u2 m7 HTVBNOW 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。 tvb now,tvbnow,bttvb8 n0 r; @) g! P2 ]- C$ B$ \8 o
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

skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 $ @8 N/ ?8 o) F0 T. C
the answer is -$97 for sure.
* z0 l% [. ?3 {/ p8 z$ e0 wThink about it this way
% d* |$ {5 }  a7 n5 q1 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。1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇/ {6 k0 r7 S" h4 a6 \/ ~
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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$ d/ X! w* c( d1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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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.公仔箱論壇% q4 h( y: M: O3 t0 v
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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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* t2 E& z1 D( y% o! x& c5.39.217.76dun 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.