Answer:
2.5
Explanation:
beings that she made 20 bows at a constant rate, then all bows will be of the same length, so we can divide the 50 ft. of ribbon into 20 pieces as shown
50 / 20 = 2.5
you can do this with other problems of this type, and if you want to double check your work? multiply back to the beginning
2.5 * 20 = 50
hope this answers what you needed it to :)