28 students are badminton club members only./ t2 \2 j$ g H( D5 c# U; Q& q
( Z, P( ]; D0 F( ^! x1 q! Ctvb now,tvbnow,bttvb2 students are in computer club only. `9 x8 o3 z7 M6 c Q; q! v! s) w
/ y2 J. x0 O) {1 `& t12 students are in both badminton and computer club.
1 D1 H0 y2 `' p1 K+ Ktvb now,tvbnow,bttvb
9 k5 [/ x3 x, C }! {7 F$ T. ~* jtherefore 28+2+12+6=48 |