Algebra Question. ?
The blueprints for a new bathroom show a raised, rectangular bathtub with an area of 37 ft2. The blueprints show that the raised tub will be surrounded by tile on all four sides; 1.25-foot of tile on each side of the rectangular tub as well as at the bottom of the rectangle, and 2.5-feet of tile at the top of the rectangle (as shown in the diagram below). The total length (the vertical dimension) of the raised tub including the tile will be twice the total width (the horizontal dimension). Find the dimensions of the bathtub only.