If 48,800 square miles are covered by land, then
53,800 sq mi - 48,800 sq mi = 5,000 sq mi are covered by water.
To find a percent, divide the part by the whole and multiply by 100.
Part = 5,000 sq mi; whole = 53,800 sq mi.
% of water = 5,000/53,800 * 100 = 0.092936 * 100 = 9.29%
