1-3Example 2

A drawer of socks contains 6 pairs of white socks, 6 pairs of blue socks, and 3 pairs of black socks. What is the probability of choosing a pair of black or blue socks if you take 1 pair from the drawer without looking?

1. How many pairs of socks are blue or black?

9

1-3Example 2

A drawer of socks contains 6 pairs of white socks, 6 pairs of blue socks, and 3 pairs of black socks. What is the probability of choosing a pair of black or blue socks if you take 1 pair from the drawer without looking?

2. How many pairs of socks are in the drawer in all?

15

1-3Example 2

A drawer of socks contains 6 pairs of white socks, 6 pairs of blue socks, and 3 pairs of black socks. What is the probability of choosing a pair of black or blue socks if you take 1 pair from the drawer without looking?

3. Write a ratio for the P(black or blue).

1-3Example 2

A drawer of socks contains 6 pairs of white socks, 6 pairs of blue socks, and 3 pairs of black socks. What is the probability of choosing a pair of black or blue socks if you take 1 pair from the drawer without looking?

4. Write the fraction in simplest form.

1-3Example 2

A drawer of socks contains 6 pairs of white socks, 6 pairs of blue socks, and 3 pairs of black socks. What is the probability of choosing a pair of black or blue socks if you take 1 pair from the drawer without looking?

5. When you take a pair of socks without looking, the probability the socks will be blue or black is three-fifths.