October 2018 2 28 Report
Tolong jawab ya, pakai cara

1) berat badan rata-rata 15 siswa pria 52 kg, sedangkan berat badan rata-rata 25 siswa wanita 48 kg. berat badan rata-rata seluruh siswa adalah ...
a. 50,5 kg. c. 49,5 kg
b. 50 kg. d. 49 kg
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