That is a very simple mathematics question. ; Q) [- ~4 u |6 h. Z3 ?5.39.217.76Let x = Male, y = Female, z = Child & d* f; X4 h7 t# e6 Vtvb now,tvbnow,bttvb6x + 3y + z/2 = 100 Formula 1公仔箱論壇( o, m. M/ k# \
x + y + z = 100 Formula 2 : j1 F, M0 r! W# z6 Y6 j公仔箱論壇Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 . y- x/ H0 V, w5 Z- E4 y6 h2 v公仔箱論壇Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4TVBNOW 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。( k( p6 c9 B6 a$ W8 p
Formula 4 can change into 11x + 5y = 100 Formula 5 . N% C% |( `2 o5 w$ S! `4 h5.39.217.76In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. 9 L- d& m1 e& w) e. e' Otvb now,tvbnow,bttvbAnd 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. + ]* O4 x q. ]公仔箱論壇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,children 3 o0 f9 u6 a7 Z ~% X0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
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11X must be 0 or multiple of 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。9 u8 @% k! c6 ^( H/ B
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children5.39.217.768 \7 y, P2 h. I' r) q6 u
5 male tvb now,tvbnow,bttvb( z( `) Z4 A. { ^% y" N
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM
