There are 5 puppies in a room. One puppy is 15 weeks, another is 9 weeks, another is 4 weeks, and another is 10 weeks. If the average age of the puppies is 9 weeks, what is the age of the last puppy?

Respuesta :

Answer:

7

Step-by-step explanation:

If u add all 5 puppies ages together including the 7 week old one it will equal 45 divide that by 5 and you get an average of 9 weeks.