Respostas

2014-03-11T23:36:10-03:00
Capital C=6000; taxa=5%a.m. => i=taxa unitaria=5/100=0,05;
n=nr. de periodos=4 meses; formula de juros simples => J=C*i*n
J=6000*0,05*4 => J=6000*0,2 => J=1200
M=montante M=C+J => M=6000+1200 =>M=7200 => M=R$7200,00
2014-03-12T00:02:44-03:00
6000 × 5 ÷ 100 = 300

300 x 4 = 1200


6000 + 1200 = 7200