You usually start off with twenty baby teeth. If she is losing four each year you would divide the amount of baby teeth by four:
20/4=5
So she lost all her teeth by Five years of age.
PS. which is quite young!
I think it’s this but i might be wrong i’m not 100% sure
pharmacological
B. recreational activity's such as walking, throwing, or riding a bike to school
Answer:
we all are friends and we are here to study my friend