数学题(英文)

nelston

a class total gt 48 ppl.7 t2 S5 ^4 }" s6 u9 B
6 ppl din join any club1 d! {* q* F* }9 H3 h" l( j6 d. x
1/4 of the student in de clas join badminton club n computer club.
' k% @0 v6 J. othe number of badminton club member which is not computer club member is 2 times de member of computer club.tvb now,tvbnow,bttvb3 |3 _/ d3 C- s3 p9 y
how many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.
: H* P  A- s+ P$ K$ |8 U& K* jwww3.tvboxnow.com
3 E$ G5 j) b# t4 f3 E公仔箱論壇2 students are in computer club only.
  F" u8 ]7 Z/ V6 y: Z  z' d' Atvb now,tvbnow,bttvb
1 S" q  I! `0 vtvb now,tvbnow,bttvb12 students are in both badminton and computer club.
$ G/ I9 J1 g% h: stvb now,tvbnow,bttvb, u# l  G+ k" F- X; d6 W+ s7 L8 s
therefore 28+2+12+6=48

00360353

har ???
! ^# k! C( F; J; p4 m) c48/4=12 ppl ...
7 S: G" F7 [! c" C* a2 b' Y# ptvb now,tvbnow,bttvbbadmintion 2x = computer 1x
, O, o5 i, N- A1 \$ m: g( O公仔箱論壇then 12/3 x=4ppl
7 u: o* H4 M8 X7 qtvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl

dick007

28 students