原帖由 prozzy 於 2007-5-18 23:05 發表。 tvboxnow.com* f6 N" A2 k* n+ }6 d5 C
the answer is -$97 for sure.
. s5 U! @5 ]6 C3 }, A: ytvboxnow.comThink about it this way + h4 d- r- L7 D
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
) x, l3 N+ c2 U& p3 H+ F. ~" V1 Etvboxnow.com2) Now, the owner discovered that the 100 bucks is fake. You can th ... tvboxnow.com% F9 b6 t! p' @ ?$ x, u
5 G! F# E1 N/ s+ q( X0 B% l: u4 uTVBNOW 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。 tvboxnow.com# o# N. A" X" V" e5 b" T3 b
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
" x1 \* _& n9 Y# @
+ B! A6 c: P- D, O1 E. Ttvb 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.
; N- ?! `2 n# Z# Wtvb now,tvbnow,bttvb tvb now,tvbnow,bttvb. b; ]; V- d8 o% T" l
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |