Question 36640
THe formula that you have to use is:
{{{A=Pe^(rt)}}}
{{{2(50000)=50000e^(0.04t)}}}
{{{100000=50000e^(0.04t)}}}
{{{2=e^(0.04t)}}}
{{{ln2=lne^(0.04t)}}}
0.04t=in2
t={{{ln2/0.04t}}}
t=17
Hence, it will take 17 years to double.
Paul.