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. v# U4 K) N" ]
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總共損失係 $18+$79+$100 = $197
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3 k1 |' a: l: [8 r! a% f- {! J4 Z2 g5.39.217.77或者如果係捉字失既話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。6 }5 q8 B6 p/ _# {
$179 + 一件貨

skybirds

原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 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。, M! V) t8 m- P5 H8 P& K7 R3 W
$97 old question

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old question?* Z+ L7 L3 N* T  h# Z
but how come u still have the wrong answer?: W7 ?: {  h7 k+ O
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。
# t5 B4 A% D. B7 `請答197的人想清楚！
& `. E( {! U" C1 ]' B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，
0 I6 Q* J; K# G4 }/ Q0 h6 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，5.39.217.77' T* ~/ c3 z) l6 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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1 U5 H6 J$ f4 `5 l) 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。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。
# I) [7 W6 z: \4 Ethe answer is -$97 for sure.
4 F2 g' V2 J6 m9 j2 d" g公仔箱論壇Think about it this way ( d, W+ Y" i( D/ O! D7 E+ B, A
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
7 p2 j4 G# o0 G+ R9 O. D  C5.39.217.772) Now, the owner discovered that the 100 bucks is fake. You can th ...

1 {5 @$ I* p% g1 V" y+ {公仔箱論壇tvb now,tvbnow,bttvb6 t8 i) v: s& F& ]

- ~, }8 U2 R& @% Z5.39.217.771) 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.5.39.217.776 k- Y+ _, |, ]7 S2 n; U

' B- p( N# Y( atvb now,tvbnow,bttvbI 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 ??? tvb now,tvbnow,bttvb1 f- D: d6 a0 [2 k: l8 Z

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tvb now,tvbnow,bttvb1 m5 P, [4 ], t, V
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.