Question

A:b:c = 4:5:6 ; a+b = 18, dan c-a = 4

Answer 1

A=8,b=10,c=12 semuanya di kali 2

Answer 2

A+b = 18
a = 18-b

c-a = 4
a = 4-c
c= 4 + a

a/b = 4/5
18-b/b = 4/5
90-5b = 4b
9b = 90
b = 10

a = 18-b = 18-10 = 8
c = 4 + a = 4 + 8 = 12