原帖由 prozzy 於 2007-5-18 23:05 發表。  公仔箱論壇$ o/ s, b# `4 e6 T
the answer is -$97 for sure. TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。2 o# D, n/ y' ^0 U; ^' r2 {# H$ s- R+ j
Think about it this way
: Q+ [. q4 @) d, o# w1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
8 g- d. G$ o: L9 z9 F0 h w5.39.217.772) Now, the owner discovered that the 100 bucks is fake. You can th ...
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。7 s. I; u6 {3 W
9 t" i, w1 {4 E2 h5.39.217.771) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong- {, ?3 e- j5 P3 X
+ c) z0 C8 B( `( K3 m5.39.217.77think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
0 |5 v+ M$ h& f3 \! U! ]9 Ytvb now,tvbnow,bttvb tvb now,tvbnow,bttvb" q& n2 T" [- |; ~% m
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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