Question

Qual a taxa de juros ao qual um capital de R$ 1.350,00, aplicado durante 9 meses , produz juros de R$ 243,00?

Answer 1

$> \: resolucao \\ \\ \geqslant \: juros \: \: simples \\ \\ c = 1.350.00 \\ j = 243.00 \\ t = 9 \: meses \\ \\ = = = = = = = = = = = = = = = \\ \\ j = \frac{c \times i \times t}{100} \\ \\ 243 = \frac{1350 \times i \times 9}{100} \\ \\ 243 = 13.5 \times i \times 9 \\ \\ 243 = 121.5 \times i \\ \\ i = \frac{243}{121.5} \\ \\ i = 2 \\ \\ \\ resposta \: > \: taxa \: de \: 2\%a.m \\ \\ \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \geqslant$