Question

A bag contains 5 blue marbles, 2 black marbles and 3 red marbles. A marble is randomly draw from the bag, what's the probability of drawing a red marble

Answer 1

3/10 or 0.3

Explanation:

You have 3 red marbles and 10 marbles in total, so you put how many red marble in the numerator and your total marbles in the denominator.