Respuesta :

xxMichIndianGirlxx

[tex]{\huge{\boxed{\mathcal{\green{Answer}}}}}

\\ \frac{12 + 9 + 13 + 12 + 20 + 17 + 15}{7} \\ = \frac{98}{7} \\ = 14 \\ {\huge{\boxed{\mathcal{\green{Hope \: it \: Helps}}}}}[/tex]