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 W3 r% V+ g2 `+ e2 yTVBNOW 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。總共損失係 $18+$79+$100 = $197
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或者如果係捉字失既話
' D( I* D+ k6 H8 B+ r6 j, ^! Ftvb now,tvbnow,bttvb$179 + 一件貨

skybirds

原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 
& i3 D4 w4 }- f  @* k$97 old question

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2 y+ f3 J4 [% \, [' 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。old question?公仔箱論壇/ x' a2 J7 s. T) i: j: f
but how come u still have the wrong answer?1 b' C3 r3 S0 B0 Q
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。
( ~$ y- e; X! H5.39.217.76請答197的人想清楚！4 K! o7 Q5 t2 N0 N1 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 x$ a- T& F: E  N( C% x* v: M5.39.217.76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，
9 u: D7 M, E( m" c" e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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公仔箱論壇: X7 r2 h, `" {( }' _
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。
0 j- h4 H2 y5 N1 Q4 i* mthe answer is -$97 for sure. tvb now,tvbnow,bttvb& K2 T0 V1 h& z2 y5 \% u& C0 Q1 e
Think about it this way
# G  f& i0 n& h6 F% a$ R+ N4 l公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
* V, [+ `8 @1 z9 a# e. ~tvb now,tvbnow,bttvb2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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$ y% \7 m0 i5 D# u2 P, z5.39.217.76 公仔箱論壇* F( [9 |5 r% j- \% n: b
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" n- _. w$ R0 T8 z' I/ J: x& J" W

: r5 I/ B* Q+ H' othink 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.; s, d3 c- j4 o; q0 ~9 B0 n; J
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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 ??? # U& d+ a8 S( y* G

& f6 f; \: Z  k, x( T7 `$ Btvb now,tvbnow,bttvb
# a$ N  a5 E" e7 P$ Z" W& d0 E4 g公仔箱論壇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.