Question
13 years ago, Fabian was 7b years old.
  1. How old was Fabian 4b years ago?
  2. How old will Fabian be 3b years later?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

13 years ago, Fabian was 7b years old.
  1. How old was Fabian 4b years ago?
  2. How old will Fabian be 3b years later?