Question

How long will it take a original investment to double in value given that it was compounded quarterly at 5.25%

2=1(1.0525/4)^n

Answer 1

i got 7.6 years, but it doesn't make logical sense

Answer 2

\[2 = \sqrt[n]{.263125}\]

Answer 3

try this
2=1(1.0525/4)^4n

Answer 4

when i solve i get -.129 @minoz

Answer 5

u have used n instead of 4n in the formula
try to solve using 4n in power
u will get it