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数学题(英文)

a class total gt 48 ppl.
! j. l* u4 N! H8 I* V6 ppl din join any clubwww3.tvboxnow.com9 g! D7 u" ]9 Z; g
1/4 of the student in de clas join badminton club n computer club.
& H! }2 p$ P& @tvb now,tvbnow,bttvbthe number of badminton club member which is not computer club member is 2 times de member of computer club.6 H  d! ^. _8 B( n7 @
how many ppl in de clas join badminton club???
28 students are badminton club members only.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。9 J' P# j0 H9 w& |) ~/ h

1 B& Q5 ], {7 d. L% z5 R3 Z  itvb now,tvbnow,bttvb2 students are in computer club only.6 K7 C: J; j" p3 F- y
2 \5 P! o5 h( K' K+ P8 n. k
12 students are in both badminton and computer club.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。5 B' z- \( j0 T( P* K
公仔箱論壇2 a1 j0 Z0 X- p, N
therefore 28+2+12+6=48
har ???www3.tvboxnow.com( q9 |5 R: \. h- s& S$ L. m
48/4=12 ppl ...+ x6 k5 O/ e6 @' ~
badmintion 2x = computer 1x9 k. o( V8 D8 T* [  q% c( A3 A8 [) q
then 12/3 x=4ppl+ @' ^5 `* y: u3 n
badmintion 8 ppl ... computer 4 ppl
28 students
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