Question

Observe e responda!!!!!!!
Valendo 25 pontos

Answer 1

Resposta:

$\frac{3}{10} = \frac{3.10}{10.10} = \frac{30}{100} = 0,3 = 30%$%

$\frac{2}{5} = \frac{2.20}{5.20} = \frac{40}{100} = 0,4 = 40%$%

Answer 2

Resposta:

c) 3/10=3.4/10.4=12/40=0,3=30%.

d)2/5=2.4/5.4=8/20=0,4=40%.