Problem of the Week
Problem A
Animal Ages

Robbie has five pets: two dogs named Bonnie and Espo, two cats named Walt and Ginny, and a ferret named Lucky. He makes the following true statements about the ages of his pets, in years:

1. Bonnie is 5 years older than Espo.

2. Ginny is half the age of Walt.

3. The sum of Espo’s age and Lucky’s age is equal to Walt’s age.

4. Bonnie is 1 year older than Walt.

5. Ginny is 6 years old.

How many years old are each of Robbie’s pets?