Don’t follow the link he or she gave you.
The answer is a and if not D
38 is 10 times more than 3.8
3:1 ratio meaning for every 3 brown eyed people there are 1 blue eyed. So if you have 12 brown every you have 4 blue eyed. Giving you a total of 16 people.
The length of the longest side of the building would be 330 feet.
