Question 1192988
.
Stella invested $500 in a special savings account. The balance of this special savings account will triple every 5 years. 
What will be the balance of Stella's investment at the end of 20 years?
~~~~~~~~~~~~~~~~~


<pre>
20 years is four times 5 years.


Therefore, the account will be tripled 4 times, and will get the value of


      {{{500*3^4}}} = 500*81 = 40500.    <U>ANSWER</U>
</pre>

Solved and explained.