Question

There are 4 yellow marbles and 9 blue marbles in a bag. You randomly choose one of the marbles. What is the probability of choosing a yellow marble? Write your answer as a fraction in simplest form.

The probability of choosing a yellow marble is ??

Answer 1

4/13

Explanation:

The total number of marbles is 4 + 9 = 13.

The probability of choosing a yellow marble is the number of yellow marbles divided by the total number of marbles. Since there are 4 yellow marbles, the probability of choosing a yellow marble is 4/13.