 
<translate> Ọ dị Brianna mkpa inwe akwụkwọ iri abụọ na abụọ ma e jiri okpukpu abụọ tụọ ya, ka o wee nwee ike ịgụcha ya n'afọ ahụ. Ọ ga-agbaziri akwụkwọ ọhụrụ 8 - 2 = 6 n'ọbá akwụkwọ. Site n'akwụkwọ ndị e nyere ya, akwụkwọ ndị ọ zụrụ, na akwụkwọ ndị dị n'ọ́bá akwụkwọ, ọ ga-enwe akwụkwọ ọhụrụ 6 + 8 + 6 = 20 ọ ga-agụ n'afọ a. N'ihi ya, ọ ga-adị mkpa ka ọ gụgharịa akwụkwọ ochie ya 24 - 20 = 4 n'afọ a. N'ihi ya, azịza ya bụ 4. <eng> Brianna needs 12 * 2 = 24 books to get her through the year. She will borrow 8 - 2 = 6 new books from the library. With the books she was given, the books she bought, and the library books, she will have 6 + 8 + 6 = 20 new books to read this year. Thus, she will need to reread 24 - 20 = 4 of her old books this year.
Thus, the answer is 4. 