Mimi:Dede
4:5
Jumlah usia mereka = 18 tahun
Maka,
Usia dede =
=5/(4+5) × 18
=5/9 × 18
=10 tahun
jawaban =10
cara =18:(4+5)x5 =18:9x5 =2x5 =10
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Mimi:Dede
4:5
Jumlah usia mereka = 18 tahun
Maka,
Usia dede =
=5/(4+5) × 18
=5/9 × 18
=10 tahun
jawaban =10
cara =18:(4+5)x5 =18:9x5 =2x5 =10