原帖由 prozzy 於 2007-5-18 23:05 發表。 5.39.217.76 s) s6 W% h7 n6 }# p
the answer is -$97 for sure.
, Q! }1 K1 k- y4 {, SThink 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。0 v( K7 ~2 d6 k
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
! Z& S- p. \- G+ gtvb now,tvbnow,bttvb2) Now, the owner discovered that the 100 bucks is fake. You can th ... # e3 W2 o9 H' D6 @" ]tvb now,tvbnow,bttvb7 [/ X, J n0 i/ z% i
$ ^( V* v8 j4 B; x; C z7 ~) Wtvb now,tvbnow,bttvb1) 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。3 J$ c6 g* i6 r/ j- E8 G
5 c' r2 V4 ]) L+ s" ~公仔箱論壇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.
) `7 Z. I6 s# F; Z $ O: l- P4 {4 J, O0 V
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |