Question

A bag contains 4 red marbles, 9 blue marbles, and 7 white marbles. What is the probability of picking neither a blue nor a white marble?

Answer 1

Answer: 1/5 or 20%

Explanation:

4 red + 9 blue + 7 white = 20 total

neither blue nor white means it has to be red so 4/20 or 1/5