Question 445098: My sister is now twice as old as I was when she was as old as I am now. together our ages total 56l How old is my sister? Answer by rwm(914) (Show Source):
You can put this solution on YOUR website! What is wrong with your family?
You don't know how old you sister is?
What grade is she in?
What grade are you in?
You shouldn't be asking total strangers about such private matters.
Ask your mother!