原帖由 prozzy 於 2007-5-18 23:05 發表。 ) G% ?+ l7 z: [( F& j
the answer is -$97 for sure. tvb now,tvbnow,bttvb3 F( P8 J: L; ~+ v0 @7 w" ]0 |$ ?
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。& j5 ~% w8 ?3 y) D/ B7 q7 [
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
* V+ | d+ C/ BTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。2) Now, the owner discovered that the 100 bucks is fake. You can th ... TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。 G4 T& ]$ ^- ^4 A0 R, H! |
3 I/ _; G$ N/ Y7 Q* _ tvb now,tvbnow,bttvb2 R) s7 s8 a6 }0 G6 Y, O
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong) p3 j, O. A/ t8 K, b; i
% [) h( G- R W0 @ X3 [6 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.0 m& H4 _: Q1 T+ v% C4 Y' }
% g1 r0 f- G+ g; HI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |