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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?