That is a very simple mathematics question. ; d! F& ?2 `7 x' e9 h% x0 DLet x = Male, y = Female, z = Child 6 R, j" U8 J* R1 [$ ?3 V g公仔箱論壇6x + 3y + z/2 = 100 Formula 1tvb now,tvbnow,bttvb4 `) H1 b9 S& d2 l3 y$ k
x + 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。# T x- l7 J: ~1 x: ], Q3 [
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 / M" ]! r2 w; E# b6 z" A' |* L/ g公仔箱論壇Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 8 W7 \- B. @2 ZTVBNOW 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 1 V1 ^6 ?+ C, g+ i1 X/ ~In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. 5 k$ j( G) h- @* Q" ]6 V y( bAnd 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 = 80.5.39.217.77" r) G: @8 V5 K" B
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。- m4 u% [9 \( W1 u; _2 C
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
3 k% P! p F7 T, o11X must be 0 or multiple of 5TVBNOW 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。3 r, y# m/ j; Z. N
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM