数学题(英文)

nelston

a class total gt 48 ppl.
, z% y! w  S  \, ]& W8 o5.39.217.776 ppl din join any club9 E! C9 Y9 R+ N6 d; x
1/4 of the student in de clas join badminton club n computer club.5.39.217.774 R$ @6 W2 U& i0 }: S
the number of badminton club member which is not computer club member is 2 times de member of computer club.
9 f! ?0 r/ k7 u% r/ U公仔箱論壇how many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.
6 t' @6 t" o( g" ], utvb now,tvbnow,bttvb5.39.217.77: @# w6 k/ W  h+ e$ t" C% s0 y- N* ]
2 students are in computer club only.
3 o& m1 `0 S! P8 D. e5 D6 l' n公仔箱論壇
* j! D, D6 T* V6 z公仔箱論壇12 students are in both badminton and computer club." k) {* ]1 n2 G% N9 H1 m; u

, r, g" V; T" a) I# f+ vtvb now,tvbnow,bttvbtherefore 28+2+12+6=48

00360353

har ???
. D1 ]0 X) X- b4 d! ]4 X48/4=12 ppl ...tvb now,tvbnow,bttvb* b& B* f! L( ^0 ]: u
badmintion 2x = computer 1x
3 k# @( K; A. W5 p! I公仔箱論壇then 12/3 x=4ppl
& Z6 Y. r$ G! Q公仔箱論壇badmintion 8 ppl ... computer 4 ppl

dick007

28 students