Jordan changed the dimensions of a rectangular picture measuring 20 cm wide by 25 cm high by a scale factor of 5/2. Does this scale factor represent a reduction or enlargement and what is the new width of the picture?

1. This is an enlargement and the new width is 50 cm.
2. This is a reduction and the new width is 8 cm.
3. This is an enlargement and the new width is 62.5 cm.
4. This is a reduction and the new width is 10 cm.