25pelajar . 160 =4000
5pelajar . 155 =755
rata rata lainnya
=4000-775 /25-5
=3225/20
=161,25 cm
jawaban:
Rata-rata pelajar lainnya
=> (25×160)-(5×155)
-----------------------
25 - 5
=> (4.000-775)/20
=> 3.225/20
=> 161,25cm
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25pelajar . 160 =4000
5pelajar . 155 =755
rata rata lainnya
=4000-775 /25-5
=3225/20
=161,25 cm
jawaban:
Rata-rata pelajar lainnya
=> (25×160)-(5×155)
-----------------------
25 - 5
=> (4.000-775)/20
=> 3.225/20
=> 161,25cm