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Y : K = 3 : 4 x2
Y : D : K = 6 : 15 : 8
6x+15x+8x=116
29x=116
x=4
15x-8x=15(4)-8(4)=60-32=28
Semoga Membantu
maka
A : B = 2 : 5 = 6 : 15
A : C = 3 : 4 = 6 : 8
Sehingga
A : B : C = 6 : 15 : 8
A + B + C = 116
maka elisih dono dan kasino
B - C = (15 - 8)/(6 + 15 + 8) · (A + B + C)
⇒ B - C = 7/29 · 116
⇒ B - C = 7 · 4
⇒ B - C = 28 tahun
Terimakasih semoga membantu