$$(140-83) \div (8-5)=19$$ 
Nick has $83$ books and Steven has $140$ books. Starting from tomorrow, Nick will buy $8$ books and Steven will buy $5$ books every day. How many days later will they have the same number of books? 
Options:
A) $$100$$ 
B) $$19$$ 
C) $$32$$ 
D) $$20$$ 
E) Never 