Question 627830
{{{3500(1.065)^t = 6000}}}
{{{1.065^t = 6000/3500}}}
{{{1.065^t = 12/7}}}
{{{tln(1.065) = ln(12/7)}}}
{{{t = (ln(12/7))/ln(1.065) }}}
= 8.5589 years or more