Question

O quadro mostra as notas de 3 alunos do 9° ano na ddetremine a média de nota de cada um dos alunos. A) Caio 9,0 7,0 8,0 B) Breno 7,0 5,0 6,0 C) João 7,0 9,0 5,0.

Answer 1

A) Média: 8,0

$\frac{9.0 + 7.0 + 8.0}{3} = \frac{24}{ 3} = 8.0$

B) Média: 6,0

$\frac{7.0 + 5.0 + 6.0}{3} = \frac{18}{3} = 6.0$

C) Média: 7,0

$\frac{7.0 + 9.0 + 5.0}{3} = \frac{21}{3} = 7.0$