原帖由 prozzy 於 2007-5-18 23:05 發表。 tvb now,tvbnow,bttvb* v5 L5 w. f+ @3 x8 T. v
the answer is -$97 for sure.
3 f3 w5 \/ Y7 k1 g* E+ wThink about it this way
0 x# ^8 [5 o2 \# h7 [8 [4 y1 _0 T' kTVBNOW 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) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。. y' h' R, V- F. U0 W
2) Now, the owner discovered that the 100 bucks is fake. You can th ... - E2 n/ Q- Y8 r3 W- M& J* K. i
公仔箱論壇6 D9 H' M. C2 z( E" W2 d% A" q1 O$ D; x
! z$ F+ ~% o9 Q" V5 Kos.tvboxnow.com1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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% g* f& x; F7 l* Y! q% x公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
8 M; d- N9 L- d/ R& B' v) Bos.tvboxnow.com
0 k7 o; P$ A5 v. `# 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。I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |