SOLUTION: Leo’s pencil case contains 8 black pens, 6 blue pens and 2 red pens. He loses 4 pens, 2 of which are blue. If he then picks one pen out of the pencil case at random, what is the

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Leo’s pencil case contains 8 black pens, 6 blue pens and 2 red pens. He loses 4 pens, 2 of which are blue. If he then picks one pen out of the pencil case at random, what is the       Log On


   

Question 1141579: Leo’s pencil case contains 8 black pens, 6 blue pens and 2 red pens. He loses 4 pens, 2 of which are blue. If he then picks one pen out of the pencil case at random, what is the probability that it will be blue?
A) 1/3
B)1/4
C)1/6
D)1/8
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
He started with 16 pens, 6 blue
He now has 12 pens, 4 blue
the probability of a pen's being blue is 4/12 or 1/3
A