Gabriel is not one for pairing socks before he throws them in his sock drawer. one dark morning, his drawer contains 8 blue socks, 6 brown socks, and 4 gray socks. what is the probability that he pulls a brown sock? explain your answer?

8+6+4=18 (denominator) 

6/18 
simplify

1/3 chance
To find the answer you have to know how many socks are brown compared to how many are in the drawer. 

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,