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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 $100tvb now,tvbnow,bttvb* I$ ~" z, M9 H1 A8 g% p2 p' c! ^

8 s3 t8 J/ b! y( i' p" s" X: ~6 aTVBNOW 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 = $197 tvb now,tvbnow,bttvb. Q% ^0 P9 E* I. h; a& c# s$ c
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或者如果係捉字失既話, t2 \+ q7 F# m9 @
$179 + 一件貨
原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 5.39.217.760 J! P3 k/ p1 Z$ O0 F
$97 old question
! ?- t8 L6 I8 M) ]: U& ptvb now,tvbnow,bttvbTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。' \0 @) O; b* Y' q" q4 Z
old question?
' }2 x; o, g, {% E1 p7 N6 ebut how come u still have the wrong answer?
: }- |$ r7 [: L6 `' jtvb now,tvbnow,bttvbwhat about the 100 dollars he gave it back to his neighbor
原帖由 wwk6002 於 2007-5-5 22:53 發表。 公仔箱論壇- j  k7 ~9 M9 F" d% u8 D; y! F
請答197的人想清楚!
: S* }6 k4 n' {# L! p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,
' _- m( p! U( I# O' U5 s5.39.217.76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,公仔箱論壇) V/ ^7 i6 W( |/ X* F
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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3 Y3 y8 {- M/ W4 W) M6 s- e) ktvb now,tvbnow,bttvbYes, 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
原帖由 prozzy 於 2007-5-18 23:05 發表。 8 r8 C! l, ]  J' I* T8 t
the answer is -$97 for sure. 5.39.217.765 O7 I1 Y  y1 O/ m& s/ W4 u
Think about it this way
, m: j- u" n" y  a9 B5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
/ I* \6 }; T# F( ptvb now,tvbnow,bttvb2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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3 i! y: M/ y( S) n& {公仔箱論壇1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb3 K8 f8 B: m5 E8 I$ X/ p2 q! N

( O- S; R5 k, q1 BTVBNOW 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。think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 369258 ? 2007-6-28 23:29 ??? 5.39.217.76, [* s, z' e4 A* w# G
TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。+ |/ ^# ]. d( B$ f1 m# \
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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.
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