SOLUTION: A series of 7 books are published at 9 – year intervals. When the 7th book was published, the sum of the publication years was 13601. In what year was the 5th book published? (a

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: A series of 7 books are published at 9 – year intervals. When the 7th book was published, the sum of the publication years was 13601. In what year was the 5th book published? (a      Log On