Respuesta :

Answer: 28


Explanation:

[tex] \cfrac{5+11+27+29+ x}{5} = 20[/tex]

[tex] \cfrac{72+ x}{5} = 20[/tex]

[tex]72 + x = 100[/tex]

[tex]x = 100 - 72[/tex]

[tex]x = 28[/tex]