That is a very simple mathematics question.! w p$ \( U0 a' A3 I5 X
Let x = Male, y = Female, z = Child- p6 g! z! ~; d7 e7 U5 l
6x + 3y + z/2 = 100 Formula 1: s0 n/ ?0 p) R9 j1 _+ f4 T
x + y + z = 100 Formula 2 8 i2 q7 p4 W; `: g, MSimplify Formula 2 into z, we get z = 100 - x - y Formula 3 0 }# Q, ~1 [3 x/ z, N/ K M/ D5 _Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4TVBNOW 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。; ]6 t3 Q" z- ~$ c M7 C
Formula 4 can change into 11x + 5y = 100 Formula 5 / T* E$ I2 a% d- l4 k. p* AIn 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。4 f8 o. ]+ S& }" 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. 8 ^. j8 X% H: A, |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,children5.39.217.76: j( e! N. h: ~1 S# F
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
tvb now,tvbnow,bttvb: J" s- L, S. J# s9 H
11X must be 0 or multiple of 5 6 o* b/ I5 m- {; A/ }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。that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children公仔箱論壇. W' l* E; h/ a; N
5 male tvb now,tvbnow,bttvb& ^' p* q" k* M
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM