Given:
1 yard = 3 feet
1 meter = 100 cm
Nicholas walked 20 yards to get his mail.
Here, we are required to convert 20 yards to meters.
Where,
1 yard = 0.9144 meter
20 yards = x meters
thus, we have:

Therefore, Nicholas walked 18.29 meters to get to his mail.
ANSWER:
18.29 meters