Now, his dad is $27$ years old, his mom is $$6$$ years older than his dad, so his mom is $33$ years old. $10$ years ago, his mom was $33-10=23$ years old. 
Sammy\textquotesingle s mom is $$6$$ years older than his dad. Right now, his dad is $$27$$ years old. How old was his mother $$10$$ years ago? 
1) $$32$$ 
2) $$21$$ 
3) $$15$$ 
4) $$23$$ 
5) $$22$$ 