Find two integers that's sun is 1 and product is -2

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.

5x−4≥12 or 12x+5≤−4 can you with this problem

What is the volume of this container?