 
 <translate> Each book has 8,000 words because 100 x 80 = 8,000. She can finish each book in 200 minutes because 8,000 / 40 = 200. She will be reading for 1,200 minutes because 20 x 60 = 1,200. She needs to check out 6 books because 1,200 / 200 = 6.
Therefore, the answer is 6. <ibo> Akwụkwọ nke ọ bụla nwere okwu 8,000 n'ihi na 100 x 80 = 8,000. Ọ pụrụ ịgụcha akwụkwọ nke ọ bụla n'ime minit 200 n'ihi na 8,000 / 40 = 200. Ọ ga na-agụ ihe dị ka nkeji 1,200 n'ihi na 20 x 60 = 1,200. Ọ ga-enyocha akwụkwọ isii n'ihi na 1,200 / 200 = 6. N'ihi ya, azịza ya bụ 6. 