<em>Answer:
</em>
<em>
</em>
<em>His March Earnings is $20000
</em>
<em>
</em>
<em>
</em>
<em>Step-by-step explanation:
</em>
<em>
</em>
<em>Given
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>Required
</em>
<em>
</em>
<em>Determine the monthly sales
</em>
<em>
</em>
<em>
</em>
<em>Represent the monthly sales with x
</em>
<em>
</em>
<em>The march earnings can be determined using:
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>Substitute values of March Earnings and Salary
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>Solve for 0.05x
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>Solve for x
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>Hence:
</em>
<em>
</em>
<em>His March Earnings is $20000</em>
Completing the squares tells us exactly what square root we will need to calculate our answer.
Using the formula below you can find these answers:
Does this make sense?
B. -9 is the most negative one, -2 is the least.
Hope this helps you.
