Answer: The length will be 44 inches long.
Explanation:
Since we have given that
Length of sheet of paper = 11 inches
Width of sheet of paper is given by

According to question, he lays the long edge of the paper along the long edge of the frame several times and finds the frame is 4 papers long.
Since the long edge = 11 inches
So, its length becomes

Hence, the length will be 44 inches long.