To the difference between 54673 and 21769 add the difference of 76983 with 23876 / help please​

Place the following steps in order to complete the square and solve the quadratic equation,

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Combine the information in the problem and the chart using the average balance method to solve the problem.