If it takes 18 inches of ribbon to make 1 bow and you need to make 18 bows, how many yards of ribbon do you need?
1 yard = 36 inches
1/2 yard = 0.5 yard = 18 inches
18 * 0.5 = ______ yards
1/2 yard = 0.5 yard = 18 inches
18 * 0.5 = ______ yards