There 21 bottles and i 10 rats i take away 9 how many bottles are left
Be careful this is a trick question
Depends: what exactly did you take away 9 of?
either: 21 - 9 = 12
or: 21 - 0 = 21
Depends: what exactly did you take away 9 of?
either: 21 - 9 = 12
or: 21 - 0 = 21