consuelo's living room is the shape of a rectangle and has an area of 360 square feet. the widith of the living room is 5/8 it's length. what is the length of the living room?
w = the witdth of the living room ; l = the length of the living room ; w × l = 360 ; w = ( 5 / 8 ) × l ; ( 5 / 8 ) × l^2 = 360 ; l^2 = ( 360 × 8 ) / 5 ; l^2 = 72 × 8 ; l^2 =576 ; l = \(\sqrt{576}\); l = 24 ft. ; w = 360 / 24 = 15 ft. ;
