Question
19 years ago, Will was 7n years old.
  1. How old was Will 4n years ago?
  2. How old will Will 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

19 years ago, Will was 7n years old.
  1. How old was Will 4n years ago?
  2. How old will Will be 2n years later?