Okay, rested now. So these equations work out to:

B = (1-sqrt(2N)) / (1-N)
W = 2 (1-sqrt(2N)) / sqrt(2N)
C = N (1-sqrt(2N)) / (1-N)sqrt(2N)

<font class="small">Code:</font><hr /><pre>
N B W C
1% 0.867 12.1 0.061
5% 0.720 4.32 0.114
10% 0.614 2.47 0.137
15% 0.532 1.65 0.146
20% 0.459 1.16 0.145
25% 0.391 0.83 0.138
32% 0.294 0.50 0.118
40% 0.176 0.24 0.079
50% 0.000 0.00 -----
</pre><hr />