Jawabanmu

2014-02-10T16:47:26+07:00
A : b : c = 4 : 5 : 6, a + b = 18
nilai a = 4/9 x 18 = 8
nilai b = 5/9 x 18 = 10

a = 2 x 4 = 8
b = 2 x 5 = 10
berari nilai c = 2 x 6 = 12