1. The front wall of the shed that Rita built is 9 ft tall and 5 1/4 feet wide. After she cut a section for the door, the area of the wall was 26 1/4 sq. feet. If the measurements of the doorway were whole numbers, what size door did Rita install??

2. The perimeter of a rectangular playground is 40 yards. It is 1 1/2 yards longer than it is wide. What is the area of that playground??