99
64:256 = 1:4
1 over 4.
It is 12/256 = 3/64.
256 divided by what = 64
It is: 64/256 = 1/4
It is a geometric progression with common ratio 0.5
256
If you mean: 24/64 then it is 3/8
256/4 = 64
162 = 256; 3 x 256 = 768; 840 - 768 = 72; 4 x 16 = 64, 72 - 64 = 8Hexadecimal equivalent of 840 = 348
64
25 percent of 256 is 64.