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Verified answer
Sekenannyamatpel ; math
kelas ; 6
sd
Bab Perbandingan
A : B = 1 : 3 → dikali 4 → 4 : 12
B : C = 4 : 5 → dikali 3 → 12 : 15
A : B : C = 4 : 12 : 15
A : C = 4 : 15