Math help ohh yup #5 in the middle

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

What are the values of each variable in the diagram below?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents