原帖由 prozzy 於 2007-5-18 23:05 發表。 tvb now,tvbnow,bttvb1 c) \0 a, l& f. M
the answer is -$97 for sure.
% i) U9 i8 s2 k+ q4 i v0 TTVBNOW 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 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。( L' p: V( l; ?( e7 w Y
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇$ ]9 E9 {$ o; t, E ]4 f3 `
2) Now, the owner discovered that the 100 bucks is fake. You can th ... $ l7 _/ G* z) c0 w
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5 _0 k' N* @. e; H# b1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongTVBNOW 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。3 V8 S' u) I, y! z) S6 }
3 |- M/ Q# x' u+ k CTVBNOW 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 $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.tvb now,tvbnow,bttvb- @/ ?% m& W* W) D
! P ?- Y' _7 c' i7 q$ `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. |