That is a very simple mathematics question.
/ X& x; c% ?+ |, l1 E0 H$ rwww1.tvboxnow.comLet 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。/ b2 }% a# R1 _+ i X
6x + 3y + z/2 = 100 Formula 1TVBNOW 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。" I! c4 y! l* D) r: B# a& Y V
x + y + z = 100 Formula 2
/ C/ U; R3 \: C+ r# E- w公仔箱論壇Simplify Formula 2 into z, we get z = 100 - x - y Formula 3
/ s% u& F8 M9 m! [6 z& n: xtvb now,tvbnow,bttvbSub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4公仔箱論壇9 I% t8 T1 _# Z# a% o% X9 R: L, t
Formula 4 can change into 11x + 5y = 100 Formula 5
M6 [3 u4 h3 U& }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.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。 V2 l" O4 S' t/ N6 x. E
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.
2 u& J8 W0 A. |" z* |www1.tvboxnow.comEventually, the answer is 20 female and 80 children and no male. |