That is a very simple mathematics question. ; }! h% R8 c( h1 _0 J. H6 J) eLet x = Male, y = Female, z = Child5.39.217.76/ a7 O0 N% a. `9 S/ b: o4 ?; F
6x + 3y + z/2 = 100 Formula 1 1 S7 p6 a5 ^/ ^6 B# Mtvb now,tvbnow,bttvbx + y + z = 100 Formula 2 # V \5 _4 {) |% H5.39.217.76Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 $ A7 a' a; t/ |6 J6 B q [公仔箱論壇Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 / ]1 F O2 r5 W1 q( `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。Formula 4 can change into 11x + 5y = 100 Formula 5tvb now,tvbnow,bttvb7 s& \! @5 C8 P, {7 M! P- g" T& y! p
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. 4 N, T% k, {: |, d" G# ^2 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。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% j8 I- s* o& {5 M. p, G9 u
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。8 t( z1 P! ^1 _3 i
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 * H" D- X6 r2 g% B& _$ t公仔箱論壇that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM