Question

qual o juro produzido po R$120,00, a taxa de 2,7% ao trimestre, durante 9 meses ?

Answer 1

2,7%=2,7/100=0,027
9meses sera igual a 3 trimestres

J=c*i*t
J=120*0,027*3
J=9,72

Resposta:R$9,72

Answer 2

j=c.i.t/100
j=120. 2,7.3  /100

j=       972/100

j=      9,72