Question
18 years ago, Luke was 6n years old.
  1. How old was Luke 4n years ago?
  2. How old will Luke be 2n years later?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

18 years ago, Luke was 6n years old.
  1. How old was Luke 4n years ago?
  2. How old will Luke be 2n years later?