Question

solve-a:b if(3a+b):(a+b)=9:5

Answer 1

Here is the solution

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Answer 2

Heya mate, Here is ur answer

(3a+b):(a+b) =9:5

$\frac{3a + b}{a + b} = \frac{9}{5}$

By cross multiplication

(3a+b)×5= 9(a+b )

15a+5b=9a+9b

15a-9a=9b-5b

6a =4b

$\frac{6a}{4} = b$

$\frac{a}{b} = \frac{4}{6}$

a/b=2/3

a:b =2:3

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@Laughterqueen

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