 <translate> Joey will take a break after 30 * 0.7 = 21 pages. Joey will have to read 30 - 21 = 9 pages more.
The answer: 9. <yor> Joey yóò ṣe ìsinmi lẹ́yìn 30 * 0.7 = ojúewé 21. Joey yóò ní láti ka 30 - 21 = ojú ìwé mẹ́sàn-án sí i. Ìdáhùn náà ni pé: 9. 