原帖由 prozzy 於 2007-5-18 23:05 發表。 
. F, p/ a" n- p# n. i2 Y; T+ @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。the answer is -$97 for sure. 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。5 |* y! W, [# A/ o
Think about it this way 公仔箱論壇& a. P- i+ A' ?& X
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)3 B6 C7 c4 `4 s! Z, {
2) Now, the owner discovered that the 100 bucks is fake. You can th ... 5.39.217.762 t. R# y# `/ L* O9 H5 o% l1 l
tvb now,tvbnow,bttvb- Y$ R( S3 F; b3 M! b# }/ r
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1) 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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J2 E' R0 G: D) P% T5 G% Lthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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F T9 P/ q7 p5 M$ C& Y) _7 \tvb now,tvbnow,bttvbI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |