Penjelasan dengan langkah-langkah:
banyak kepala keluarga
= 97 1/2 - 7,5
= 195/2 - 75÷5/10÷5
= 195/2 - 15/2
= 180/2
= 90
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Penjelasan dengan langkah-langkah:
banyak kepala keluarga
= 97 1/2 - 7,5
= 195/2 - 75÷5/10÷5
= 195/2 - 15/2
= 180/2
= 90