Question

A que taxa anual o capital de R$ 12.300,00 rende R$ 3.400,00 em 14 meses

Answer 1

i=j*100/C/t
i=3400*100/12300/14*12
i=340000/12300/14*12
i=27,64.../14*12
i=1,97...*12
i=23,69...
Resposta: Taxa de 23,69%a.a. (aproximadamente)