NA 
Jenny is $5$ years old. She has $2$ sisters, Julie and Jas. Julie is $1$ year older than Jas. In two year\textquotesingle s time, their total age will be $18$ years. How old is Julie now? 
* $$3$$ 
* $$4$$ 
* $$5$$ 
* $$6$$ 
* $$7$$ 