You can put this solution on YOUR website! let x equal the number of equal parts.
length of each piece = 15.5 feet divided by x.
if x = 5, then each piece is equal to 15.5/5 = 3.1 feet
3.1 * 5 = 15.5
if x = 742, then each piece is equal to 15/5/742 = .0208894879 feet.