Please help its like 5th grade math

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

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

When only separate discreet points are graphed it is called?