Answer:
2000 meters
Explanation:
The first step in this problem is to find 2/3 of 3 kilometers per hour.
2/3 * 3/1 = 6/3. This can be simplified to 2 kilometers per hour.
Now, find the rate of meters per minute. To do so, multiply 2 by 1000.
2 * 1000 = 2000
Therefore, at 2/3 of Lucia's rate, she walks 2000 meters per minute.