Question

There are 9 red, 6 blue, and green marbles in a bag.
A. How many marbles are in a bag?
B. What is the probability of a marble chosen at random will be blue?

Answer 1

15 marbles are in the bag
6 out of 15 is the possibility that a blue marble is chosen

Answer 2

15 marbles are in the bag
40% is the probability of a marble chosen at random will be blue