How do you do addition problem for real

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

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

If i had 1234 apples and 1 banana what is the total amount