Question

Qual taxa mensal que aplicada ao capital de R$ 20.000,00 em 3 anos, rendeu R$ 36.000,00?

Answer 1

3a=36m

i=j*100/C/t

i=36000*100/20000/36
i=3600000/20000/36
i=180/36
i=5
Resposta: Taxa de 5%a.m.