 
<translate> Ọ na-ede maka 4 - 1 = 3 awa kwa ụbọchị. Nke ahụ pụtara na ọ na-ede 3 * 5 = peeji 15 kwa ụbọchị. N'ihi ya, ọ ga-ewe ya 735 / 15 = 49 ụbọchị. Nke ahụ pụtara na ọ ga-ewe 49 / 7 = izu asaa. Azịza ikpeazụ ya bụ: 7. <eng> He writes for 4 - 1 = 3 hours per day. That means he writes 3 * 5 = 15 pages per day. So it would take him 735 / 15 = 49 days. That means it will take 49 / 7 = 7 weeks. The final answer: 7. 