原帖由 prozzy 於 2007-5-18 23:05 發表。  公仔箱論壇& Y; P# t- x' g8 w- F( [
the answer is -$97 for sure.
! X5 v5 H# O' K$ b) {Think about it this way
3 V0 r8 b( G v( W公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)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。& P" L, x5 p2 @
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
+ y0 ~- u& E) ?: J4 [& q5.39.217.76
9 D6 i V& Y% ? O" w# B) x7 E5.39.217.761) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
. C0 `+ J4 p% t9 X2 k tvb now,tvbnow,bttvb! [ w3 r0 k, ]& y0 y. d
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1 K, M- R+ o0 D) w# W
; ]1 B) y, r+ ^; \* E3 V公仔箱論壇I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |
發表於 2007-7-10 05:18 PM
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發表於 2007-7-11 03:19 PM
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