数学题(英文)

nelston

a class total gt 48 ppl.
% M% n4 {! V0 p! p$ rtvboxnow.com6 ppl din join any clubTVBNOW 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。; ^; G6 M6 d) d( b' D- ]$ A6 h
1/4 of the student in de clas join badminton club n computer club." W1 V8 \& P, _% p' c6 f) a* p
the number of badminton club member which is not computer club member is 2 times de member of computer club.
" V8 u4 n2 V) I  v$ yTVBNOW 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。how many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.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。+ r' F, C: n1 f) d
tvboxnow.com8 W1 W9 e! e0 M7 G
2 students are in computer club only.tvb now,tvbnow,bttvb: b0 F5 ~$ Q* ?  ?$ `

' x8 w) _% n" g- r12 students are in both badminton and computer club.
8 X% x2 A, A* {' k' u/ E3 p! H! y2 h; ]0 v5 Q) b3 H4 I  V
therefore 28+2+12+6=48

00360353

har ???
3 J- h3 B- {8 [4 Ntvboxnow.com48/4=12 ppl ...) {, K, {6 Q* X/ Y) {
badmintion 2x = computer 1x* [* ~0 F7 d1 r1 B. U
then 12/3 x=4ppl
) H$ T+ {5 e# yTVBNOW 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。badmintion 8 ppl ... computer 4 ppl

dick007

28 students