数学题(英文)

nelston

a class total gt 48 ppl.
: m8 w0 e0 t$ j* E% ^8 `+ ^: y( t6 ppl din join any club0 a2 j0 f6 {& P% F- [
1/4 of the student in de clas join badminton club n computer club.8 X4 Q" G0 B( k& L" o- f7 ^
the number of badminton club member which is not computer club member is 2 times de member of computer club.
! j( T2 v; U, O" B公仔箱論壇how many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.
, h  T1 }$ u! g/ T0 ?公仔箱論壇$ O; G/ k5 u! v4 F+ U7 Z9 y1 R
2 students are in computer club only.5.39.217.77' H6 X, J& \; z! y( J
公仔箱論壇9 T& ?, l- c8 o- R2 F# i( J7 ]# e; R
12 students are in both badminton and computer club.5.39.217.77% M+ e3 v; `; p- c9 g

8 ~( R0 T6 I7 F6 G7 \( E0 W  ktvb now,tvbnow,bttvbtherefore 28+2+12+6=48

00360353

har ???
% c3 t$ g; e8 m/ @4 k/ Z9 l48/4=12 ppl ...
- [0 i8 ^; w! D+ Q2 C$ y8 k7 D5.39.217.77badmintion 2x = computer 1x
* N( q, ^/ h/ Q# J! x5.39.217.77then 12/3 x=4ppl公仔箱論壇( ?4 F8 \% G/ H
badmintion 8 ppl ... computer 4 ppl

dick007

28 students