That is a very simple mathematics question.5.39.217.76. n4 a+ \4 u8 C/ u
Let x = Male, y = Female, z = Child : g0 A1 d3 p7 \/ ^, n, D4 [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。6x + 3y + z/2 = 100 Formula 1 6 Q3 x8 j$ R @* R9 K0 ^tvb now,tvbnow,bttvbx + y + z = 100 Formula 2 " b) s# X* d3 k# Q' d( z公仔箱論壇Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 4 @6 i1 P% T& B! R& ^* V+ P6 L公仔箱論壇Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 1 P6 V+ A3 ^. j: jFormula 4 can change into 11x + 5y = 100 Formula 5 3 K1 g7 t& g2 J# YTVBNOW 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.5.39.217.764 t8 a# W2 o- A
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. : @" l" j. W ]+ Q( T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 " o. \, o9 p8 r# b" q3 |5.39.217.760,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
5.39.217.768 b, i9 m4 @- f( @
11X must be 0 or multiple of 5 $ W; i/ u9 j, @# J: A D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 children " o# P6 q5 r( B/ s5 male 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。) Y* F. n3 z' _0 y( v" Y
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM