Question 244858

Your equation is:
{{{ 50000 = 20000e^(0.05t) }}}
Now, you need to solve for t:
{{{ 2.5 = e^(0.05t) }}}
{{{ ln(2.5) = 0.05t }}}
{{{ ln(2.5)/0.05 = t }}}
{{{ 18.33 years = t }}}