The number of years from William\textquotesingle s birth is $$2018 - 1028 = 990$$. 
Historians say that William the Conqueror was born in $$1028$$. How many years ago was that? 
Options:
(a) $$790$$ 
(b) $$810$$ 
(c) $$910$$ 
(d) $$990$$ 
(e) $$1010$$ 