Please help with right answers xxoxo

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list