 
 <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. <hau> Ya karanta 600 / 40 = awa 15 a mako. Saboda haka yanzu yana karatun awa 15 - 4 = awa 11 a mako. Yanzu tana karanta shafuffuka 40 sau 1.5 = 60 a awa guda. Saboda haka ta karanta 11 * 60 = 660 shafuka a mako. Saboda haka, amsar ita ce 660. 