You have 9 pets:

4 fish,

1 cat,

2 dogs

and 2 birds. What is the probability a pet chosen at random is a dog or a four legged pet?

1/3

Step-by-step explanation:

4 fish, 1 cat, 2 dogs, and 2 birds = 9

dogs or 4 legged = cats and dogs = 1+2 = 3

P (dog or 4 legged) = number of dogs or 4 legged / total

=3/9

=1/3