PLEASE HELP ASAP!!! ON TIME LIMIT!!!

The figure below shows a shaded rectangle inside a large rectangle:

https://learn.flvs.net/webdav/assessment_images/educator_mjmath2_v14/06_14_p1_27.jpg

If you choose a point inside the large rectangle, what is the probability that it is not inside the shaded rectangle?

24%
27%
46%
54%