Question
19 years ago, Howard was 7b years old.
  1. How old was Howard 4b years ago?
  2. How old will Howard 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

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