<p>red = 5/6 x White
red = 6/7 x Blue</p>
<p>R,W,B are all integers</p>
<p>5/6 x W = 6/7 x B
35/6 x W = 6 x B
35 x W = 36 x B</p>
<p>For W and B to be integers, B = 35 and W = 36; thus R = 30</p>
<p>35 + 36 + 30 = [101]</p>
<p>Hopefully I was clear.</p>