Question
11 years ago, Billy was 6i years old.
  1. How old was Billy 4i years ago?
  2. How old will Billy be 3i years later?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

11 years ago, Billy was 6i years old.
  1. How old was Billy 4i years ago?
  2. How old will Billy be 3i years later?