 
 <translate> He read 600 / 40 = 15 hours per week. So now he reads 15 - 4 = 11 hours per week. She now reads 40 * 1.5 = 60 pages per hour. So she reads 11 * 60 = 660 pages per week.
Thus, the answer is 660. <ibo> Ọ na-agụ akwụkwọ 600 / 40 = awa 15 n'izu. Ya mere ugbu a, ọ na-agụ ihe dị ka awa 15 - 4 = awa 11 kwa izu. Ugbu a, ọ na-agụ peeji iri isii n'otu awa. N'ihi ya, ọ na-agụ peeji iri isii na isii kwa izu. N'ihi ya, azịza ya bụ 660. 