After 20 minutes Clint is on page = 151
After 45 minutes Clint is on page = 181
Time slot = [tex]45-20=25[/tex] minutes
Difference in pages in 25 minutes = [tex]181-151=30[/tex] pages.
Lets suppose Clint is reading each page at same pace.
So , In 25 minutes, he can read = 30 pages
In 1 minute he can read = [tex]\frac{30}{25}=1.2[/tex] pages
Initial time is 20 minutes, so he can read the number of pages in 20 minutes = [tex]20\times1.2=24[/tex]
So, number of pages Clint read prior to study hall were =
[tex]151-24=127[/tex] pages.
