Question
19 years ago, Tim was 7n years old.
  1. How old was Tim 5n years ago?
  2. How old will Tim be 3n 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, Tim was 7n years old.
  1. How old was Tim 5n years ago?
  2. How old will Tim be 3n years later?