40. Dimensions of a Room A rectangular bedroom is 7 ft longer than it is wide. Its area is 228 ft 2. What is the width of the room?

40. Dimensions of a Room A rectangular bedroom is 7 ft longer than it is wide. Its area is 228 ft 2. What is the width of the room? 41. Dimensions of a Garden A farmer has a rectangular garden plot surrounded by 200 ft of fence. Find the length and width of the garden if its area is 2400 ft 2. perimeter=200 ft 46. Width of a Lawn A factory is to be built on a lot measuring 180 ft by 240 ft. A local building code species that a lawn of uniform width and equal in area to the factory must surround the factory. What must the width of this lawn be, and what are the dimensions of the factory?