Answer:
12 Hours
Explanation:
1. Take the 35 pages he wants to write and subtract them from the pages he's already written (23).
2. 35-23 is 12 and if it takes him about 1 hour to write each page, it should take him 12 hours to finish 12 pages.
1. To indicate a substantiation or an action on someone’s behalf
2. To show movement within, through, along, or around an area
