Question

qual a taxa de juros de uma aplicaçao cujo principal deR$ 10.000,00 resultou num montante de 13.448,88 em 12 meses?

Answer 1

i=j*100/C/t

i=13448,88-10000*100/10000/12
i=3448,88*100/10000/12
i=344888/10000/12
i=34,48/12
i=2,87
Resposta: Taxa de 2,87%a.m.