Answer Explanation:
If you stand 3.0 m in front of a plane mirror, your image would appear to be 3.0 m behind the plane mirror. This is because the image formed by a plane mirror is always located behind the mirror, at a distance equal to the distance between the mirror and the object being reflected.
So, the distance from you to the mirror is 3.0 m, and the distance from the mirror to your image is also 3.0 m, for a total distance of 6.0 m between you and your image.