Question

A bag has 8 blue marbles and 12 yellow marbles. Half of the yellow marbles are made of plastic. A marble is selected at random from the bag. What is the

probability that it is a yellow, plastic marble?
Write your answer as a fraction.

Answer 1

3/10

Explanation:

8 blue marbles and 12 yellow marbles. = 20 marbles

P( yellow) = yellow/total =12/20 =3/5

P(plastic) =1/2

P(yellow, plastic) = 3/5 * 1/2 = 3/10