Question

A que taxa devo aplicar R$12.000 para atingir o montante de 30.000 apos 19 meses. Dados log 2,50= 0,3979 log 1,05=0,2094

Answer 1

M=C(1+i)ˣ
30000=12000(1+i)¹⁹
30000/12000=(1+i)¹⁹
5/2=(1+i)¹⁹
log(2,5)=log(1+i)¹⁹
0,3979=19log(1+i)
0,021=log(1+i)
log(1,05)=log(1+i)
1+i=1,05
i=0,05

i=50%