Respostas

2014-08-17T16:51:53-03:00
Formula juros simples
j=c.i.t

j=juros
c=capital
i=taxa\100
t=tempo

onde:
j=?
c=640
i-8,5%\100=0,085
t=7 meses

j=640*0,085*7
j=380,00