<PRE><B>Question 1145202</B>
.
&lt;pre&gt;
300 + 0.04*300*t = 308


is your basic equation.


The unknown value is the time &quot; t &quot;, which is &quot;how long . . . &quot;, in &lt;U&gt;years&lt;/U&gt;..


From the equation,


    0.04*300*t = 8


    t = {{{8/(0.04*300)}}} = {{{8/12}}} = {{{2/3}}} of the year, which is about 8 months.    &lt;U&gt;ANSWER&lt;/U&gt;
&lt;/pre&gt;

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See the lesson

&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;- &lt;A HREF=https://www.algebra.com/algebra/homework/percentage/lessons/Simple-interest-percentage-problems.lesson&gt;Simple interest percentage problems&lt;/A&gt; 

in this forum.


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