Tom reads 10 hours over 5 days.  He can read 50 pages per hour.  Assuming he reads the same amount every day how many pages does he read in 7 days?
He reads 10/5=<<10/5=2>>2 hours per day
That means he reads 2*50=<<2*50=100>>100 pages per day
So he reads 100*7=<<100*7=700>>700 pages in 7 days
#### 700