That is a very simple mathematics question. ( T4 H: ]0 c# L: I! }公仔箱論壇Let x = Male, y = Female, z = ChildTVBNOW 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。, {7 r% L$ B+ \% r
6x + 3y + z/2 = 100 Formula 1TVBNOW 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 j4 P+ R! i6 V
x + y + z = 100 Formula 2 $ T `& _: l {0 ?( nTVBNOW 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 3 v- W: a) b' J" T; d: t- iTVBNOW 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。Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4公仔箱論壇# u& [9 N! w$ D/ B( S9 d; S
Formula 4 can change into 11x + 5y = 100 Formula 5 1 q0 n0 v, `4 }( C' v公仔箱論壇In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.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。8 r' C1 L+ x0 o7 Y4 y- h
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. 2 y% \4 p* P, I% a; M0 qtvb now,tvbnow,bttvbEventually, 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,children " f5 Z; U( P- d$ L. T公仔箱論壇0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
公仔箱論壇 v7 c$ F* C* L; ~3 T
11X must be 0 or multiple of 5 ! |9 d. L2 ~1 R# ~4 V4 L1 h公仔箱論壇that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children8 \9 d' n- P! G9 k' {; F' R
5 male 5.39.217.77( g, r8 W$ g; U1 c+ V6 S
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM
公仔箱論壇. j6 S, {* {& _5 c8 F
