Question

if a:b=3:2 and b:c=3:2 find value of (a+b):(b+c)​

Answer 1

a/b =3/2

so a+b/b = 3/2 +1= 5/2

c/b = 2/3

so b+c/b = 5/3

so a+b/b ÷ b+c/b = a+b/b+c = 3/2

So a+b : b+c = 3:2

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