Mathmatics sets question

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

Hi my sisters and brothers can tell me the answer because i don’t understand the question

To determine the number of deer in a forest a forest ranger tags 280 and releases them back