That is a very simple mathematics question. 6 u( J I" K, ]- ^+ v9 h公仔箱論壇Let x = Male, y = Female, z = Child5.39.217.760 W" {! c( B* Y3 o N" e
6x + 3y + z/2 = 100 Formula 1 ( V }* L+ h" y5 a0 l7 n! Dx + y + z = 100 Formula 2 4 T @3 E% T' t2 g- I5.39.217.76Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 : B: g7 l6 m& ?# {$ Z" BSub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 : z/ O A L; X. m( V, L, ]- LFormula 4 can change into 11x + 5y = 100 Formula 5 W. H2 A8 d1 d9 |; g r/ VTVBNOW 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。In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. / T: | t5 _+ s6 `# p" h, P( hTVBNOW 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.公仔箱論壇0 g5 j( l; |2 D2 E- L
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: b6 ?5 w7 `9 m! ^- s
0,20,80 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 5 * Z: [, b; M# o# D9 T- Gtvb now,tvbnow,bttvbthat meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children ; d" o% p" X* }" b J: O5 Z5.39.217.765 male 公仔箱論壇5 O1 m) y( g7 j
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM