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。7 F; a3 V$ o6 p3 g
the answer is -$97 for sure.
9 J& k" Y! M9 t3 b% H' W3 \. K: FTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。Think about it this way
# ]$ U9 U7 H- o0 Y1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
# [& @+ i7 l- A8 }* R( ?5.39.217.772) Now, the owner discovered that the 100 bucks is fake. You can th ... 2 V( O/ v! R7 {
公仔箱論壇& H! { E! i$ d7 o, R2 J
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。. V0 d0 o% I: ]% ~0 S0 s
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
- g; j- V. i+ s& t* V tvb now,tvbnow,bttvb3 x8 q3 a7 ?2 o2 e$ m
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,bttvb7 T% |3 u' L; s
" L' h5 _) G- }. y. }5.39.217.77I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |