原帖由 prozzy 於 2007-5-18 23:05 發表。 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。- e# G4 t% b& v2 a8 O3 M; J
the answer is -$97 for sure.
, G. K- Q) r4 D7 {" I5.39.217.76Think about it this way TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。# F5 r$ E0 c7 Q6 h m7 P4 s* z
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
" D9 O+ S N6 ^& p- {0 a2) Now, the owner discovered that the 100 bucks is fake. You can th ... TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。3 s4 z! k: U; A: J7 A/ j$ M
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4 V% l; Q2 A: S* R* \( Z4 z1) 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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0 {7 B0 }0 v5 U: g5 D) P. x5 R5 dthink 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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. y8 B+ U; P# c" Z& @1 S1 ptvb now,tvbnow,bttvbI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |