Question

A que taxa capital de R$ 9000,00 rende R$ 1,400,00 em 3 meses

Answer 1

Juros simples:

J = C . i . t

1400 = 9000 . i . 3

1400 = 27 000i

i = 1400/27 000

i = 0,05185 = 5,18% a.m.

Answer 2

J = C • i • t

1400 = 9000 • i • 3

1400 = 27000 • i

1400/27000 = i

i ≈ 0,05185 ≈ 5,185%

Dúvidas??Comente!)