数学题(英文)

a class total gt 48 ppl.' p& ^; K/ ~5 a) f* U" W3 q& u( x) A+ v
6 ppl din join any club公仔箱論壇! u# t) j& ?5 s/ I+ D* c: ?
1/4 of the student in de clas join badminton club n computer club.
the number of badminton club member which is not computer club member is 2 times de member of computer club.
how many ppl in de clas join badminton club???

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genzo2106

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發表於 2007-9-12 01:49 PM | 只看該作者

28 students are badminton club members only.

2 students are in computer club only.8 r6 j& Q+ O' q( G: d! Y- S; ^, ]

12 students are in both badminton and computer club.www2.tvboxnow.com/ l' S, S4 J8 N8 Q* b
公仔箱論壇! E8 n% c! ]% ^" E8 h
therefore 28+2+12+6=48