With all of the other options being false, we are left with option B. If we take the equation 36 = 3(6 - x) and change it to 35 = 3(6 - (-6)), we can confirm that it it correct.
Total = 12 marbles 6 brown marbles but h<span>alf of the brown marbles are made of glass so brown and made of glass = 3 </span><span>probability that it is a brown, glass marble = 3/12 = 1/4
