What might be the present age of Rella in her 100s?
Exactly what is Ms. Rella's number of years after living for a century?
Roughly how old Rella's current age Rella at the age of 100?
What is the present age of Rella after turning 100?
For how long Rella has Ms. Rella been alive at, reaching the milestone of 100 years old?