Addition Rule 03
The table below shows the soft drinks preferences of people in three age groups.

under 21 years of age
Cola- 40
Root beer- 25
Lemon lime- 20

between 21 and 40
Cola- 35
Root beer- 20
Lemon lime- 30

over 40 years of age
Cola- 20
Root beer- 30
Lemon lime- 35

If one of the 255 subjects is randomly selected, find the probability that the person is between 21 and 40 years of
age or that they drink root beer.

Enter your answer as a fully reduced fraction.