1."When I'm as old as Adela was when you were twice as old as I was," Mia told her teenaged brother, "Adela will be twice as old as you are now." "That's right," Nico replied. "And when Adela was twice as old as I was, you were a third as old as I am now." Of course they had both ignored odd months in the ages. How old was Adela?

Adela 25 years old, Nico 16, Mia 12

Adela 26 years old, Nico 17, Mia 13

Adela 24 years old, Nico 15, Mia 11