That is a very simple mathematics question. % H4 ^( a W" sTVBNOW 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。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。" ]# R0 y- N2 _# P2 q' q% A
6x + 3y + z/2 = 100 Formula 1公仔箱論壇/ Q* _$ c8 y+ z8 l1 y
x + y + z = 100 Formula 25.39.217.775 y( S* p% H7 {
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3公仔箱論壇. _" ~# [3 N& H) T
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 8 O- j/ m( X J' r) H* }6 ?: a0 M) x$ rtvb now,tvbnow,bttvbFormula 4 can change into 11x + 5y = 100 Formula 5 7 g! H6 ?. |" LIn Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. " ?) V( D( j0 E3 v2 n4 Vtvb 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 = 80.5.39.217.77- _3 ~" `: G3 }
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,childrenTVBNOW 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。! r: `! V7 n2 k
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
公仔箱論壇0 \, m9 N$ w; e; |# g1 k! w
11X must be 0 or multiple of 5 % ?( o( f' [/ w) `' {$ \* G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 childrenTVBNOW 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。6 ]3 L9 X* P5 }' ~2 p Z
5 male tvb now,tvbnow,bttvb, K( m' T, Y3 h! k! e% h2 M) P' U" e
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM