At the school's holiday craft fair, Lucia and her classmates get to make gingerbread houses. Their teacher divides a bag of licorice ropes evenly among the 7 students at the table. Each student gets 5 licorice ropes to decorate the roof of his or her gingerbread house.
Which equation can you use to find the number of licorice ropes r that came in the bag?
1 answer
7r = 5 × 7