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数学题(英文)

a class total gt 48 ppl.www3.tvboxnow.com, i# K! L  e' ^9 |. `3 B6 c4 a
6 ppl din join any clubtvb now,tvbnow,bttvb# @4 l; U( Y! C
1/4 of the student in de clas join badminton club n computer club.公仔箱論壇) y6 T0 c0 `- T& g' F7 U
the number of badminton club member which is not computer club member is 2 times de member of computer club.tvb now,tvbnow,bttvb: E: Q/ J# t8 y% c) A
how many ppl in de clas join badminton club???
28 students are badminton club members only.
8 }- f! F+ L% l公仔箱論壇
( d1 G! U8 U" A/ j# uwww3.tvboxnow.com2 students are in computer club only.
5 V5 ^0 H: _. h1 ?$ c1 P
. I) e# j4 W* M  O/ V4 o5 R& @( j公仔箱論壇12 students are in both badminton and computer club.tvb now,tvbnow,bttvb8 g3 x0 {5 C* m' B, ]

1 `: [8 r9 o; j4 M, m& ~: Wwww3.tvboxnow.comtherefore 28+2+12+6=48
har ???
# l( |: Q$ S9 ?4 E3 Swww3.tvboxnow.com48/4=12 ppl ...公仔箱論壇( l, u" b0 S* _6 v( ?% U0 J
badmintion 2x = computer 1x# b( L1 }; y. {
then 12/3 x=4ppl
% ^! Z; H# ?) k! K# ]8 `9 [badmintion 8 ppl ... computer 4 ppl
28 students
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