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数学题(英文)

a class total gt 48 ppl.
9 Y4 A; s& j" K: N公仔箱論壇6 ppl din join any club: W# ]) t' Y) T0 _: \! v
1/4 of the student in de clas join badminton club n computer club.
2 Z+ ^& p1 b. F公仔箱論壇the number of badminton club member which is not computer club member is 2 times de member of computer club.( ~2 I9 Y; V, ?' b. T( ^7 E
how many ppl in de clas join badminton club???
28 students are badminton club members only.
' k( A9 d; p9 o  R" I4 F0 PTVBNOW 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。公仔箱論壇% ~, P2 J6 q. u# A" `! d, Q
2 students are in computer club only.
7 e  ?/ N7 G8 G7 g2 g8 i公仔箱論壇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。+ s7 `' ^: q3 P9 T4 ~
12 students are in both badminton and computer club.
$ V: ?+ U8 m! d3 A8 G% kos.tvboxnow.comTVBNOW 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 A! j- \+ y) E& i5 ]$ q
therefore 28+2+12+6=48
har ???os.tvboxnow.com# k2 z" y' A# }. H
48/4=12 ppl ...
) Z4 F. O# S7 ~# f& u: [3 Obadmintion 2x = computer 1x9 j" X2 N5 _/ x5 S4 l
then 12/3 x=4pplos.tvboxnow.com9 ]; N/ f: M! N  I3 W  n
badmintion 8 ppl ... computer 4 ppl
28 students
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