a door is 4 1/2 feet wide. how many inches wide is the door?
To convert feet to inches, we multiply by 12 since there are 12 inches in 1 foot.
4 1/2 feet = (4 * 12) + (1/2 * 12) = 48 + 6 = <<4*12+1/2*12=54>>54 inches.
Therefore, the door is 54 inches wide.