That is a very simple mathematics question. / u2 x8 m6 x; f0 M4 E+ f$ x公仔箱論壇Let x = Male, y = Female, z = Child . F7 t, [' d" Q; W8 S7 }- M# E( E5.39.217.776x + 3y + z/2 = 100 Formula 1 ! ?) } |# f9 G! c1 Q9 ctvb now,tvbnow,bttvbx + y + z = 100 Formula 2 I4 d/ G% \4 y- q- Q0 m* oTVBNOW 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/ O0 {( r, f" G2 P* R, }" v
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 42 S" N: s6 F/ S
Formula 4 can change into 11x + 5y = 100 Formula 5 ) w3 X/ Y3 ~+ s2 o; e3 c公仔箱論壇In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. 7 D7 X6 j3 z" s3 u& ?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. * q, _% z Z+ t- `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
m, S1 Y' g P* O公仔箱論壇11X must be 0 or multiple of 5 , T- D( y: }5 D# f( J. o) BTVBNOW 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。that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children " k* v; _! N$ l* CTVBNOW 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。5 male tvb now,tvbnow,bttvb/ G1 n6 Q. }$ Y/ s+ p
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM
