数学题(英文)

nelston

a class total gt 48 ppl.
" d9 x  l- u* n: k1 p6 f6 i4 f4 b公仔箱論壇6 ppl din join any club公仔箱論壇' v8 f3 s3 k& x3 y' {8 A
1/4 of the student in de clas join badminton club n computer club.9 _! Q, @2 G# B5 [9 N  G# f7 X- D
the number of badminton club member which is not computer club member is 2 times de member of computer club.
; A" ]% T/ F8 b+ e4 W5 @" M: rhow many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.
) Z) S* I* E. u, C' R/ m$ \; }. l5.39.217.769 ^$ q8 M" T2 ~
2 students are in computer club only.公仔箱論壇  ]' @# W3 j/ s1 U% N. d
5 F. i" n  s! U3 ?' R; U
12 students are in both badminton and computer club.
& P8 }" |6 }4 C8 N5.39.217.764 x) K4 ~+ L' E7 p  D
therefore 28+2+12+6=48

00360353

har ???
% r5 S8 H& v3 Q, A* ?; o48/4=12 ppl ...tvb now,tvbnow,bttvb; \" m  y+ x! W1 @
badmintion 2x = computer 1x
5 U( B9 n' d; B0 ]  \5 nthen 12/3 x=4ppl5.39.217.762 s# Y; Y& j2 I/ O. o4 O
badmintion 8 ppl ... computer 4 ppl

dick007

28 students