Posted by judith on Tuesday, April 19, 2011 at 3:46pm.
how long will it take a sum of money to tripe itself at (i) 9.5% compound interest and (ii) 9.5% simple interest?

maths  bobpursley, Tuesday, April 19, 2011 at 4:09pm
3=1(1.095)^t
assuming compounding annually.
ln3=t*ln(1.095) solve for t.
ii) when does t*(1.095)=2 ? 
maths  Ifiok Ufford, Tuesday, May 24, 2016 at 7:35am
12.2