Jawaban:
Tinggi badan Oki 150 cm
Penjelasan dengan langkah-langkah:
Rata-rata awal = 135 cm
Total tinggi awal = 135 cm x 4 orang = 540
Rata-rata akhir = 138 cm
Total tinggi akhir = 138 cm x (4+1 orang) = 690
Tinggi badan Oki 690 - 540 = 150 cm
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Jawaban:
Tinggi badan Oki 150 cm
Penjelasan dengan langkah-langkah:
Rata-rata awal = 135 cm
Total tinggi awal = 135 cm x 4 orang = 540
Rata-rata akhir = 138 cm
Total tinggi akhir = 138 cm x (4+1 orang) = 690
Tinggi badan Oki 690 - 540 = 150 cm