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coklat + keju = 20
keju = perb keju / juml perb x jumlah sesungguhny
= 3/5 x 20 = ...
9. Adi:Bud:Bayu = 3:9:5
Budi = 36
Ad+Bayu= juml.perb A:Ba/ perb Budi x bucer Budi ssngguhny
=7/9 x 36 = ...
10. kanc mer:puti = 65:40
= (disederhanakan)
= 65:40 : 5:5 = ...
semoga membantu, dan mohon maaf bila salah... :) :)
9)RUMUS = 9 x 4 = 36 buku budi
3 x 4 = 12 buku andi
5 x 4 = 20 buku bayu
jumlah buku andi dan bayu = 12 + 20 =32 buku
10) RUMUS = 65 : 5 = 13 KANCING MERAH
40 : 5 = 8 KANCING PUTIH
JADI PERBANDINGANNYA 13:8