A science fair poster is a rectangle 48 inches long and 24 inches wide. What is the area of the poster in square feet?
To find the area of the poster in square feet, we need to convert the dimensions from inches to feet.
There are 12 inches in 1 foot, so the length of the poster in feet is 48 inches / 12 inches/foot = <<48/12=4>>4 feet.
The width of the poster in feet is 24 inches / 12 inches/foot = <<24/12=2>>2 feet.
The area of the poster is length times width, or 4 feet * 2 feet = <<4*2=8>>8 square feet. Answer: \boxed{8}.