Answer:
Judy is 12 Years old.
Step-by-step explanation:
Add up all the ages and you get 43 years old. Subtract 55 by the 43 to get 12 meaning Judy is 12. Please mark brainliest.
Judy's age is 12 years old
to find the average you need to add all numbers up ans then divide by how many there are.
10 + 10 + 11 + 12 + 12 = 55/5 = 11
hope this helps
