Let's see how many pages he spellchecks in 1hrto start with, 20min is 1/3 of an hr so multiply both numbers by 3 20*3=60min or 1hr 14*3=42 So he spell checks 42 pages in an hour now let's multiply that by 5.5 1hr*5.5=5.5hrs 42*5.5=231 He spellchecks 231 pages in 5.5 hrs
