数学题(英文)

nelston

a class total gt 48 ppl.
# x& g: B% o0 F# k. I2 I2 _" F6 ppl din join any club
# |9 M. x- X# W6 ^0 A$ q4 C0 _# \公仔箱論壇1/4 of the student in de clas join badminton club n computer club.5.39.217.77:8898# D3 r. ]% z) k' k) `& E' X
the number of badminton club member which is not computer club member is 2 times de member of computer club.. `1 T- q& n; f2 S2 p4 R
how many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.
. `& N5 f( Y. x1 r9 t+ I公仔箱論壇
8 P' a) @" Y  I- ~5 G) x( e公仔箱論壇2 students are in computer club only.5.39.217.77:88988 t) W; Q) m+ R

, g3 J1 Q7 q6 }" T' f12 students are in both badminton and computer club.( j1 P  I0 E! V" }" i) P+ C

3 t8 F. X: _: }) f" R7 A  s5.39.217.77:8898therefore 28+2+12+6=48

00360353

har ???  m, _+ I5 a" r# ^
48/4=12 ppl ...
, U" Y7 Q, j' N; \5 Q* o' j8 Kbadmintion 2x = computer 1x
) V6 y" k2 Y/ N$ Wthen 12/3 x=4ppl
3 Y5 J; a5 R& ptvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl

dick007

28 students