Here is your answer
[tex]3 \frac{1}{3} pages[/tex]
REASON:
[CONCEPT USED: Unitary method]
Number of pages typed by student in 1/5 hour = 2/3
No. of pages typed by the student in 1 hour= [tex]\frac{2/3}{1/5}[/tex]
= [tex]\frac{2}{3}×5[/tex]
= 10/3
=
[tex]3\frac{1}{3} [/tex]
So number of pages written in 1 hour are
3 pages and 1/3 of a page
HOPE IT IS USEFUL