Final answer:
Mrs. Murphy bought 15 feet of fabric.
Step-by-step explanation:
Mrs. Murphy bought 5 yards of fabric. Since 1 yard is equal to 3 feet, we can find out how many feet of fabric she bought by multiplying 5 yards by 3 feet:
5 yards x 3 feet/yard = 15 feet
Therefore, Mrs. Murphy bought 15 feet of fabric.
Learn more about Converting yards to feet