Jumlah siswa =20 x 5 =100
25 + 30 + 15 =70
Basket + menari = 100 - 70=30
Maaf kalo salah....
futsal + melukis + drumband + menari + basket= 100
25 + 30 + 15 + y + y = 100
70 + 2y = 100
2y = 100 - 70
2 y = 30
y = 15.
berarti basket.+ menari= 30
basket= 15
menari= 15
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Jumlah siswa =20 x 5 =100
25 + 30 + 15 =70
Basket + menari = 100 - 70=30
Maaf kalo salah....
futsal + melukis + drumband + menari + basket= 100
25 + 30 + 15 + y + y = 100
70 + 2y = 100
2y = 100 - 70
2 y = 30
y = 15.
berarti basket.+ menari= 30
basket= 15
menari= 15