Question

Tolong di jawab ya,pakai carannya.Terima kasih

Answer 1

A : B = 5 : 3.
B : C = 6 : 9.

A : B : C.
= 2(5) : 2(3) : 9.
= 10 : 6 : 9.

A + B + C = 25x = 75.
x = 75/25 = 3.

A = 10x = 10(3) = 30.
B = 6x = 6(3) = 18.
C = 9x = 9(3) = 27.