Mr. Nuccio's sandwhich shop was 9 yards long and yards wide before he added a new section. The shaded squares below show the new section. What is the total area in square yards, of Mr. Nuccio's sandwhich shop after the new section was added. No links...

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.