Kelereng Andi dibanding kelereng Budi 2 : 4, sedangkan kelereng Andi dibanding kelereng Candra 3 : 5. Jika selisih kelereng Andi dan Budi 12 butir. Berapa jumlah kelereng mereka bertiga?
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Andi : Budi = 2 : 4 | × 3 |
Andi : Candra = 3 : 5 | × 2 |
Andi : Budi = 6 : 12
Andi Candra = 6 ; 10
Andi : Budi : Candra = 6 : 12 : 10
Kelereng Andi
= 6/(12 - 6) × 12
= 6/6 × 12
= 12 Butir
Kelereng Budi
= 12/6 × 12
= 12 × 2
= 24 Butir
Kelereng Candra
= 10/12 × 24
= 10 × 2
= 20 Butir
Jumlah Kelereng
= 12 + 24 + 20
= 36 + 20
= 56 Butir
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