Cato's age is half the summer of her brothers age and six if cato is nine years old how old is her brother

Respuesta :

12 because when you make the equation:

[tex]C= \frac{B+6}{2} [/tex]

Then you plug it in with 9 for C:

[tex]18= \frac{B+6}{2} [/tex]

Solve for B and you get:

B=12