Practice - Happy's Hamburgers is analyzing their revenue and their expenses. The chief financial officer has determined that their revenue is modeled by y=2.44x - x^2/20,000 - 5000 and their expenses are modeled by y=5000x+0.56x , where x represents the number of hamburgers
a. Use substitution to write a new equation that can be used to solve the system.
b. Use the Quadratic Formula to solve the resulting equation for x Round your answer to the nearest whole number and explain why it makes sense to do
SO.