Hi, P = 2L + 2w = 24ft 0r L + w = 12ft (7/5)w + w = 12 | L is (7/5)w (7/5)w + (5/5)w = 12 (12/5)w = 12 w = 12(5/12) w = 5ft and L = 7ft A = (5ft)(7ft) = 35ft^2