Question

Help how do you solve this

Answer 1

3:2

Explanation:

Solve for b and c in terms of a.

`(a+b)/(b) =4\\a+b=4b\\a=3b\\b=(a)/(3)`

`(a+c)/(c)=3\\a+c=3c\\a=2c\\c=(a)/(2)`

Substitute into c/b and simplify.

`(c)/(b)=(a/2)/(a/3)\\(c)/(b)=(a)/(2)*(3)/(a)\\(c)/(b)=(3)/(2)`