Answer:
Originally, you put 36..but 2nd you put 26... so ill answer both :) for a total of 36 Devery needs to read 11 more pages and for a total of 26, Devery needs to read one page
Explanation:
10+15=25 36-25=11
10+15=25 26-25=1
My apologise for not understanding the question fully, English isnt my first language :)