Penjelasan dengan langkah-langkah:
Marching band = 30%/15% × 6
= 12 siswa
jumlah seluruh siswa = 6 + 8 + 12 + 14
= 40 siswa
rata rata = 40/4
= 10 siswa (C)
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Penjelasan dengan langkah-langkah:
Marching band = 30%/15% × 6
= 12 siswa
jumlah seluruh siswa = 6 + 8 + 12 + 14
= 40 siswa
rata rata = 40/4
= 10 siswa (C)