原帖由 prozzy 於 2007-5-18 23:05 發表。 
8 H! _+ f! V' C0 [0 d- Y5.39.217.76the answer is -$97 for sure.
" u% X2 p2 z* P& ]Think about it this way
( u2 G* l+ f' }, i5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。- {& V4 [; K. x7 ]8 g4 p
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
tvb now,tvbnow,bttvb0 ]/ H4 @3 J) u$ w6 B" l5 w/ x" @ R2 P
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。' |* t& z* R$ Y2 r. _: t y' _
& c$ b3 z. J3 Q- h7 g6 u2 p) \5 Ztvb now,tvbnow,bttvbthink 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.
( q5 G# m+ f# J. ^& f8 z, X/ w) o5.39.217.76 5.39.217.763 v: m* }; Y% e5 i3 Y
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |
發表於 2007-7-10 05:18 PM
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發表於 2007-7-11 03:19 PM
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