> How do you use a mathematic argument to show an investment that 5.5% pa is compounded yearly for a initial amount to dou

How do you use a mathematic argument to show an investment that 5.5% pa is compounded yearly for a initial amount to dou

Posted at: 2014-12-05 
ime = ln(2) / ln(1 + r)

time = ln(2) / ln(1.055)

time = 0.69315 / 0.05354

time to double = 12.94616 years

by using algebra.