That is a very simple mathematics question.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。( G+ S" g8 Q H V( J
Let x = Male, y = Female, z = Child ) D: v5 A# |8 g9 m" x3 V4 V6x + 3y + z/2 = 100 Formula 1tvb now,tvbnow,bttvb, Y1 N P7 Z u) z; a* O
x + y + z = 100 Formula 2 2 ^5 x+ q' N& l# P" r7 u1 i公仔箱論壇Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 2 ?# c) _+ q% |! Q公仔箱論壇Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 * A( ~5 v; ?9 C WTVBNOW 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 5 + L' J( b8 N* w9 e+ w% }- J& @tvb now,tvbnow,bttvbIn Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. 3 J! [6 b6 y PTVBNOW 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。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.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。2 z. c6 Q) |" e# }0 S
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公仔箱論壇3 F% i6 U# b" P" c. G v y
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
tvb now,tvbnow,bttvb! j, |3 w$ ?% c( n
11X must be 0 or multiple of 5tvb now,tvbnow,bttvb3 Q( p/ \7 h) {' Q
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
