原帖由 prozzy 於 2007-5-18 23:05 發表。  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。) ]- A+ z+ r. L' r( v9 ^9 M
the answer is -$97 for sure. tvb now,tvbnow,bttvb7 \2 \+ d# d6 P
Think about it this way
1 n: t. V S/ p. O: H, lTVBNOW 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。1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
/ h- l# D2 l" B0 z& @! u7 k$ o5.39.217.762) Now, the owner discovered that the 100 bucks is fake. You can th ...
tvb now,tvbnow,bttvb9 L9 z3 Z; b' q+ w2 U9 o. R ]
# S' }( |* X |3 J& [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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think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.5.39.217.76. @% x- Y3 p+ b& D5 A. e$ V, V- }
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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. |
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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