Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)
First convert to feet 3in=3/12=1/4ft 5.5in=5.5/12ft
1:30 multiply scale by 30 1/4ft times 30=30/4=15/2=7.5ft 5.5/12ft times 30=165/12=13.75ft multiply them 7.5ft times 13.75ft=103.125 ft^2 closest is option D