Question

A bag contains 10 red marbles, 15 green marbles, and 15 blue marbles. If Dawshawn draws a marble from the bag, what is the probability that it is a red marble?

Answer 1

10/40 or a 1 in 4 chance he will grab a red marble

Explanation:

You add up all of the marbles;

10+15+15

40

Now you take the number of red marbles are divide it by 40;

10/40

That is your answer.