skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 tvb now,tvbnow,bttvb# {; I! ?7 Q# X' P2 `4 r8 P
the answer is -$97 for sure. tvb now,tvbnow,bttvb+ S8 V# W1 m" n! @9 }
Think about it this way
; s) r  z; Y& O. }) J) K& N5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
( N9 d8 _+ |9 |2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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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 wrongtvb now,tvbnow,bttvb7 ^& v, a7 E% u7 j: p3 g
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think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.公仔箱論壇! v: v2 m. W$ B- ?) N$ P, ~% O9 g
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I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ??? 5.39.217.768 `  x% j$ ]6 P. r! I4 q1 j( G

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dun forget that guy, not only the $18 dollars product he got on hand, he also got $79 dollars on this hand, he paid a fake 100 dollars bill, it means he paid nothing, and the boss gets nothing too, so u need to add 79 dollars to the total.

230km/hr

97

joey80

179+18tvb now,tvbnow,bttvb) g  |6 X/ n1 D7 i
tvb now,tvbnow,bttvb" ?6 F% y1 X- Y& {
[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!