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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總共損失係 $18+$79+$100 = $197 tvb now,tvbnow,bttvb4 F4 W! F( c! U$ J# O
tvb now,tvbnow,bttvb* U" a& `" Q2 L! n/ N( P0 ]5 p
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。8 k1 L( V* I. ?+ i7 u4 w/ ]2 i; U. t
$179 + 一件貨

skybirds

原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 
4 c  f8 S9 G' K) f5.39.217.77:8898$97 old question

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old question?tvb now,tvbnow,bttvb6 N$ B  q) y' W: y! M
but how come u still have the wrong answer?# G2 K3 V- Z+ Y2 S* O, K- J
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。 6 H# q# m  B# O* r& \
請答197的人想清楚！
# I+ N9 m- e3 n. Z7 l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，$ k6 W7 c4 O" y6 }- ^' J' \' H0 J
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，. H% h1 ?1 O( _* F% [6 {
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

skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 # |$ _3 V: y5 g' f) v+ V9 o
the answer is -$97 for sure. TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。. A, Z& v; A# j9 q8 }( ^1 F- y
Think about it this way 公仔箱論壇1 s$ H+ ]$ U- ]: Z9 v8 M* ~
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
2 U# \. t( B3 F  p' O5.39.217.77:88982) Now, the owner discovered that the 100 bucks is fake. You can th ...

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# c; W) }  F6 j7 u5 q2 \tvb now,tvbnow,bttvb1) 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9 Z2 S5 z& o2 m, s
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。9 o; \/ M! ]$ S$ q) O
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.- U2 B4 S' o) A+ q3 y+ X7 j1 G6 H6 e

- I9 w- |9 r6 O6 u, [5.39.217.77:8898I 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 ??? 5.39.217.77:8898) W3 r4 i; J7 p" s$ d

/ [0 N" R5 e6 \0 k" h. o% cTVBNOW 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 I" _/ W3 \& X, `! y3 Z7 [
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.