Question 106033
At time t=0, the investment is worth V=$537
When will it be worth 2($537)=$1074?
{{{V(t)=1074}}}
{{{537e^(.015t)=1074}}}Substitute with the formula. 
{{{e^(.015t)=2}}}Divide by 537. 
{{{.015t=ln(2)}}}Natural log of both sides. 
{{{t=ln(2)/.015}}}Divide by .015. 
t=46.2 years