That is a very simple mathematics question.tvb now,tvbnow,bttvb+ \$ O5 ?7 D4 L6 l9 B& x. s
Let x = Male, y = Female, z = Child D. d' A" \9 `/ q+ F7 y
6x + 3y + z/2 = 100 Formula 1 9 y% k! H0 M, f5 Vx + y + z = 100 Formula 2TVBNOW 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。! d$ u; g, R" K* E( |
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 4 P3 I. c9 b E; ^8 G3 j5 c5.39.217.76Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 }* v( |$ H6 DFormula 4 can change into 11x + 5y = 100 Formula 50 ~2 |% g- X* I9 Q& ]# I
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. 5 z, @/ s! O. PTVBNOW 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.: F2 @6 {5 g. C( d& A
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$ v4 j! k$ @. @& D. b
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
公仔箱論壇$ v7 Q; R6 Q8 ~+ ^# `3 C- N9 w- X
11X must be 0 or multiple of 5 * j, c$ s$ U' c3 [- c5.39.217.76that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 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。/ i5 X4 \; N: L5 H" T
5 male tvb now,tvbnow,bttvb. p; a8 F9 V2 f2 `8 s! E
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM
