原帖由 prozzy 於 2007-5-18 23:05 發表。  : T$ u, H% J8 W" V5 G: ^+ b9 v5 P
the answer is -$97 for sure.
, f% j9 |, m* e2 ]Think about it this way 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。# w3 t; X3 v/ _2 t9 P) q
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
3 h2 C- n( {0 z' D; {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。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
# z% U4 P8 y! y8 F8 a5.39.217.76 tvb now,tvbnow,bttvb) M" _' W& D; a) V! G w Y% p
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong6 g, t# S6 D; P, y2 ]- I. [
$ U9 p( ~. a, z+ ^' d. Ethink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.公仔箱論壇8 I P5 R. N) Y c! z- B
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。6 z8 U0 s. k& u$ q3 o
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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