Answer:
84 feet of ribbon is needed
Step-by-step explanation:
Given : Ribbon is sold by the foot. If Heather is making 84 bows, how many feet of ribbon must she buy?
Explanation : If ribbon is sold by the foot, then if Heather is making 84 bows, then Heather would need 84 feet
To put in simple terms - 1 bow needs 1 foot of ribbon
