Answer:
Scale factor = 1/2, New screen 46 in by 38 in.
Explanation:
The dimensions of screen is 92 in. by 76 in.
It has a feature that splits the screen to allow you to watch 4 channels at once as shown in the below figure.
All four parts are equal.
Let the dimensions of new screen be x in. by y in.
and

Divide both sides by 2.
and

Scale factor is



Therefore, the scale factor is 1/2.