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the town librarian bought a combination of new-release movies on dvd for $20 and classic movies on dvd for $8. let x
represent the number of new releases, and let y represent the number of classics. if the librarian had a budget of $500 and
wanted to purchase as many dvds as possible, which values of x and y could represent the number of new-release and
classic movies bought?
o x = 8, y = 45
o x = 10, y = 22
o x = 16, y 7 22
o x = 18, y = 18