step 1
Find out the unit rate
6 pages over 2 hours
To find out the unit rate, divide the total pages by the total time
6/2=3 pages per hour
step 2
the total pages written is equal to
6+3(4)=6+12=18 pages
therefore
The answer is 18 pages
Another method
Multiply the total hours by the unit rate
Total hours=2+