$($Compound

value solving for

n$)$

How many years will the following$$ take?

a$.$

$$$$520520$

to grow to

$$$$1$ comma $114\mathrm{.}671,114\mathrm{.}67$

if invested at

$1010$

percent compounded annually

b$.$

$$$$4141$

to grow to

$$$$65\mathrm{.}8465\mathrm{.}84$

if invested at

$77$

percent compounded annually

c$.$

$$$$105105$

to grow to

$$$$330\mathrm{.}93330\mathrm{.}93$

if invested at

$1111$

percent compounded annually

d$.$

$$$$5454$

to grow to

$$$$63\mathrm{.}1763\mathrm{.}17$

if invested at

$44$

percent compounded annually