数学题(英文)

nelston

a class total gt 48 ppl.
% e+ j% t$ ]4 j; U& L  B. Z6 ppl din join any clubtvb now,tvbnow,bttvb7 m  ~- Q' F) E- n) ^4 q; K. K* l
1/4 of the student in de clas join badminton club n computer club.+ q' r3 B. }& {; s" P' d# ?1 R
the number of badminton club member which is not computer club member is 2 times de member of computer club.* \# f* R. k5 M0 b
how many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.# K2 O( }5 l* u* B( M
3 K' C# k9 Z) `- w% `7 a
2 students are in computer club only.; J" W' ]5 v$ S
公仔箱論壇. ~$ y  E" I" n* K+ }# v5 Y- {
12 students are in both badminton and computer club.1 J$ o7 V% y; t& q4 {- A; d% [
& h2 g) g+ ~- ~) p8 U  L
therefore 28+2+12+6=48

00360353

har ???tvb now,tvbnow,bttvb* P$ K, C- O$ K# b! M& X0 J
48/4=12 ppl ...# @' a. L$ @. k2 b
badmintion 2x = computer 1x
- z- e" `+ Q2 T  r1 ]4 I' l! Z/ vos.tvboxnow.comthen 12/3 x=4ppl
1 M" [0 T3 u6 Ftvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl

dick007

28 students