原帖由 prozzy 於 2007-5-18 23:05 發表。 公仔箱論壇6 z* p! A* O: g9 H6 e8 r$ K2 n
the answer is -$97 for sure.
( _) h8 _" T' v- w5.39.217.76Think about it this way 5 z, ^1 U# C4 `0 ~
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
" c% b9 S6 w7 E, X( P: p5 a公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ... 3 [5 P& z ?0 \7 P) `
8 T: i; E! B& D2 X1 t# b3 ]* w/ ?tvb now,tvbnow,bttvb
" \- p. |& a; @& X! G, j4 ]# ?" h& iTVBNOW 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 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 g6 n8 m! [/ e2 V( D" P, a
, m) g- z3 t6 D) [ D" K8 ~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。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.
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I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |