数学题(英文)

a class total gt 48 ppl.
6 ppl din join any club8 V3 C0 K# g' _; j
1/4 of the student in de clas join badminton club n computer club.' E/ C. ^' g: a& u/ m+ M
the number of badminton club member which is not computer club member is 2 times de member of computer club.公仔箱論壇8 A! _0 d2 ^8 c Z9 I
how many ppl in de clas join badminton club???

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genzo2106

中級忍者

Rank: 3 Rank: 3

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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.% w+ `& G) F$ M" z }' D: o
0 F* J. r8 a) f9 D
2 students are in computer club only.

12 students are in both badminton and computer club.( r1 j' y4 H3 a) W

therefore 28+2+12+6=48

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00360353

親王

Rank: 17

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發表於 2007-9-12 06:59 PM | 只看該作者

har ???
48/4=12 ppl ...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。$ I; V& h9 {3 s9 {
badmintion 2x = computer 1x公仔箱論壇7 _- W/ _5 U0 ]8 m9 N0 |
then 12/3 x=4ppl
badmintion 8 ppl ... computer 4 ppl

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dick007

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Rank: 6 Rank: 6

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發表於 2007-9-13 03:44 PM | 只看該作者

28 students

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