Question

Um capital de R$16.000,00 aplicado durante 8 meses rendeubde juros R$1920.00 determine a taxa anual

Answer 1

i=j*100/C/t

i=1920*100/16000/8*12
i=192000/16000/8*12
i=12/8*12
i=1,5*12
i=18
Resposta: Taxa de 18%a.a.