October 2018 2 25 Report
Rata-rata tinggi badan 15 anak adalah 152 cm.Jika tinggi badan Rio masuk dalam perhitungan rata-rata tersebut,maka rata-ratanya menjadi 152,5 cm.Tinggi badan Rio adalah...

A. 160,0 cm
B. 159,5 cm
C. 157,5 cm
D. 153,0 cm
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