Respuesta :

[tex]Black=2\times\ Brown[/tex]
[tex]Black\ +\ Brown=66[/tex]
[tex]2Brown+Brown=66[/tex]
[tex]3Brown=66[/tex]
[tex]Brown=22[/tex]
[tex]Black=2Brown[/tex]
[tex]Black=2(22)[/tex]
[tex]Black=44[/tex]

There are 22 Brown shoes and 44 Black shoes.