$\"\"$

The length of original photo is 16 inches and it $\"\"$ s width is 12 inches.

The area of the original photo is $\"\"$ .

The difference of length and width is $\"\"$ .

The area of the photo should be reduced to half the original area.

So, the area of the small photo is $\"\"$ . $\"\"$

List the factors of $\"\"$ and their difference is 4.

$\"\"$

The length of the small photo is 12 inches and it $\"\"$ s width is 8 inches. \ \ $\"\"$

The length of the small photo is 12 inches and it $\"\"$ s width is 8 inches. \ \