$$3$$ tens $$7$$ ones: $$37$$  $$4$$ tens $$6$$ ones: $$46$$  less than: $$46-37=9$$ 
Fill in the blank:~\uline{~~~~~~~~~~}~is $$3$$ tens $$7$$ ones less than $$4$$ tens $$6$$ ones. 
A) $$9$$ 
B) $$19$$ 
C) $$73$$ 
D) $$83$$ 
E) None of the above 