Question

A aplicação de R$35,60 gerou um montante de R$58,03 no final de nove meses.Calcule a taxa anual.

Answer 1

i=j*100/C/t

i=58,03-35,60*100/35,60/9*12

i=22,43*100/35,60/9*12

i=2243/35,60/9*12

i=63/9*12

i=7*12

i=84

Resposta: Taxa de 84%a.a.