原帖由 prozzy 於 2007-5-18 23:05 發表。 
6 }+ P1 g/ [+ }$ k4 Gthe answer is -$97 for sure.
: ]- S# p* e: H: J% z5.39.217.76Think about it this way 公仔箱論壇5 {5 I0 i0 y% q( F
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
1 R H4 S1 Z0 J1 r) ftvb now,tvbnow,bttvb2) Now, the owner discovered that the 100 bucks is fake. You can th ... # @% [: a& \( P& K3 j0 h: c/ k2 q
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; n3 H/ n# {3 n( c- i8 Z% ]: _" 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。1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
0 y* P3 m. T! _% {: l$ q3 E0 U0 {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。
" _0 e" M* Z# y# btvb now,tvbnow,bttvbthink 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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R- G0 b8 [2 h: fI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |