That is a very simple mathematics question.$ e6 [& y: H2 g
Let x = Male, y = Female, z = Child公仔箱論壇/ M& r: t- R. _* E* R7 o2 {
6x + 3y + z/2 = 100 Formula 1 6 W4 d n& P+ i7 K$ G: ]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。x + y + z = 100 Formula 25.39.217.76' k. N. u: h( ^- z
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 ! |* G' L; @2 K8 p7 C& l5.39.217.76Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 ( G/ E i3 U2 [2 A# cTVBNOW 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 * g( u. c/ Y- P/ |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。In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. * [) M7 X, w7 T7 xtvb 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.公仔箱論壇' y# V2 z5 K& G/ `$ w
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; c e; ^) t3 W( P# ~0 n
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM