The bullentin board is 6 feet wide and 4 feet tall The border is 3 inches wide What are the dimensions inside the border?

6 ft = 72 in; 4 ft = 48 in

Inside width = 72 - (2 x 3) = 72 - 6 = 66 in = 5.5 ft = 5 ft 6 in
Inside height = 48 - (2 x 3) = 48 - 6 = 42 in = 3.5 ft = 3 ft 6 in
6 ft = 72 in; 4 ft = 48 in

Inside width = 72 - (2 x 3) = 72 - 6 = 66 in = 5.5 ft = 5 ft 6 in
Inside height = 48 - (2 x 3) = 48 - 6 = 42 in = 3.5 ft = 3 ft 6 in