That is a very simple mathematics question.1 e# N9 R' U) v. I; A/ e
Let x = Male, y = Female, z = Child 8 I4 j2 |( [( \/ R- i' Y$ u6x + 3y + z/2 = 100 Formula 1 / ?& A. P. K: H2 u) H( V3 Ttvb now,tvbnow,bttvbx + y + z = 100 Formula 2 G0 V! m) _- B" j" B2 \2 hTVBNOW 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。Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 8 s" r. k( c1 S# G |5.39.217.76Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 8 w$ n. R# q7 w+ r& s7 T2 o( mTVBNOW 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。Formula 4 can change into 11x + 5y = 100 Formula 5TVBNOW 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。4 N+ Y" e. r6 r) j. i. c7 c! f% B
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.5.39.217.76* A6 I A. Y% E, J' y8 n" l
And between 0 and 9, only 0 can give me a single number of y. So, x has to be 0 and y have to be 20. Then put x and y back to formula 1, we get z = 80.1 A2 `% l3 }% }
Eventually, the answer is 20 female and 80 children and no male.作者: alan1234 時間: 2007-10-14 12:19 AM 標題: two answers
man,female,children5.39.217.763 J- p8 s- ^. S: V0 u
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
